Mikel Arteta declared "thank God" for VAR after Premier League leaders Arsenal held on for a 1-0 win at Leeds United.
Sunday's game at Elland Road was suspended just a couple of minutes after it started, as a power cut was affecting Hawk-Eye and communications between referee Chris Kavanagh and the VAR.
The match resumed following a delay of around 40 minutes and Bukayo Saka's fourth goal in three matches gave the Gunners a half-time advantage, the England international becoming the first player to register 50 goal involvements during Arteta's reign.
Leeds dominated the second half, Patrick Bamford having a goal disallowed for a push on Gabriel Magalhaes within a minute of coming on before missing a penalty.
Bamford wasted further clear-cut chances as Aaron Ramsdale kept Leeds at bay and there was one final twist when the Leeds striker was awarded another spot-kick after being kicked by Gabriel, who was shown a red card for retaliating.
However, referee Kavanagh instead awarded Arsenal a free-kick and showed Gabriel a yellow card, having seen on the pitchside monitor that Bamford had shoved the centre-back to the ground.
A seventh consecutive victory put the Gunners four points clear ahead of second-placed Manchester City's trip to Liverpool and Arteta was relieved after an action-packed afternoon in West Yorkshire.
Asked to reflect on the match, the Arsenal boss told Sky Sports: "Hectic! It is always really intense here, we were exceptional in the first half and should have been two or three up.
"Credit to Leeds in the second half, we made so many errors and did not generate momentum but I just love the relentless passion the team played with and how we found a way to win."
He added on the late VAR decision: "I have not seen it but everyone is saying the decision was clear. Thank God they made the system work, that delay was worth it because without VAR I don't know what would have happened!"
Arteta praised the character shown by his players on the back of a 1-0 Europa League win at Bodo/Glimt, where Saka scored the only goal of the game following his double in the 3-2 victory over Liverpool last weekend.
The Spaniard said: "This is something special. This is not a coincidence it shows the willingness that I see in the eyes of the players to win, to compete.
"A lot of players played in Norway two and a half days ago, travelled back on Friday and were still willing to win so credit to them."
Las Palmas 0-2 Girona: Michel's men close in on Champions League dream
It was a tale of three penalties as Girona went second in LaLiga with a 2-0 win over Las Palmas on Saturday, edging closer to a Champions League place for next season.
Artem Dovbyk made sure of the win from the spot in the second half, after David Lopez had put them in front in the 26th minute.
Lopez was on hand to blast into the roof of the net after Alvaro Valles saved Dovbyk's first penalty of the game, conceded by Las Palmas captain Kirian Rodriguez.
Las Palmas had earlier squandered a spot-kick of their own, with Paulo Gazzaniga springing to his right to push Sandro Ramirez's strike away.
Girona now possess a 13-point buffer to fifth-placed Athletic Bilbao, who have just 18 points to play for, so it appears a mere matter of time before Michel's side secure Champions League qualification.
Data Debrief: Dovbyk in fine company
Dovbyk wasn't deterred after seeing his first-half penalty saved, his second attempt from 12 yards finding the bottom-right corner to make the points safe for Girona.
He has now scored 19 goals in just 31 appearances in LaLiga. Only four players have previously reached that figure in fewer outings in the competition – Cristiano Ronaldo (23), Radamel Falcao (24), Robert Lewandowski (28) and Julio Baptista (29).
Derby seal Championship return with Carlisle win as Cheltenham drop to League Two
Derby County sealed a Championship return by beating already-relegated Carlisle United 2-0 at Pride Park on the final day of the League One season.
Derby knew a single point would end their two-year stay in the third tier of English football, with Bolton Wanderers waiting to pounce if the Rams did suffer a shock defeat.
However, such a slip-up never looked likely as Max Bird's powerful strike from outside the area put them ahead within five minutes, and James Collins added a close-range second on the hour mark to make certain of promotion.
Paul Warne's team finished five points behind Portsmouth, who clinched the title earlier this month, and five clear of Bolton – who needed a late equaliser from Cameron Jerome to draw 3-3 with Peterborough.
Bolton will face Barnsley in the play-offs as the Tykes were not punished for their 1-1 draw with Northampton Town, defeats for Blackpool and Lincoln City denying them the chance to gatecrash the top six.
Fourth-placed Peterborough will face Oxford United in the other play-off semi-final, as the U's clinched a 2-1 win over Exeter City to claim fifth place in the final reckoning.
Three of the four relegation places had already been decided before Saturday's matches, with Carlisle, Port Vale, and Fleetwood Town on their way to League Two.
Cheltenham will join them after Nick Freeman struck a 90th-minute winner in their 2-1 loss at Stevenage. Darrell Clarke's side needed a win to save themselves and send Burton Albion down in their place, but they were hit with a late sucker punch as their three-year stay in League One came to an end.
Arteta wants to prove supercomputer wrong as Arsenal prepare for derby test
Mikel Arteta is looking to prove the Opta supercomputer wrong as Arsenal prepare for perhaps the biggest test of their Premier League title credentials, in Sunday's North London derby at Tottenham.
Arsenal began the weekend one point clear of Manchester City at the top of the table, though Pep Guardiola's men have a game in hand and have been in ominous form lately, winning their last four league matches.
Five wins for City will ensure they retain their crown, and according to the Opta supercomputer, the champions started the weekend with a 71.7% chance of topping the pile, compared to 26.6% for Arsenal and just 1.7% for Liverpool.
Arteta hopes to see Arsenal's figure boosted by a derby win, saying: "I don't know what to say, hopefully we can trick that computer and make it a bit higher!
"Maybe it needs to update the software, we need to help it or give it more tools. Hopefully we can change that!
"We are there. We have to look at ourselves and try to perform in the best possible way to win our matches and I can't wait to see what happens.
"We had a big win in the last London derby against Chelsea and now we have another big one. I'm sure if we're going to win the league, we're going to have to beat Spurs as well."
Tottenham, meanwhile, need points if they are to overhaul Aston Villa in the battle for Champions League qualification, with fifth place now extremely unlikely to be enough.
Ange Postecoglou, though, is more interested in seeing how Spurs measure up to a side they hope to challenge in the future.
"We understand the importance of the game but ultimately, it's still about us measuring ourselves against the teams we want to be challenging on a more consistent basis," Postecoglou said.
"It's a great opportunity to do that on Sunday."
PLAYERS TO WATCH
Tottenham – Son Heung-min
Son scored twice for Spurs in the reverse fixture against Arsenal in September – a 2-2 draw at the Emirates Stadium. In all competitions, only five players have scored more goals in the fixture's history than Son's seven.
The only player to score multiple goals in both north London derby matches in a league season was Arsenal's Ted Drake, who did so back in 1934-35.
Arsenal – Martin Odegaard
Odegaard has been involved in six goals in his last six away appearances in the Premier League, scoring three and assisting three.
The Gunners captain was in mesmerising form in Tuesday's 5-0 win over Chelsea, leading all players on the pitch for assists (two), chances created (eight), passes into the final third (34) and duels won (eight). A repeat performance would be huge for the visitors' title hopes.
MATCH PREDICTION – ARSENAL WIN
Tottenham have won just one of their last six Premier League games against Arsenal (one draw, four defeats), with their four losses in this span as many as they had suffered in their previous 16 against the Gunners (six wins, six draws).
They also lost this exact fixture 2-0 last season, meaning the Gunners could win on back-to-back league trips to Tottenham for the first time since enjoying a run of three victories there between 1987 and 1988.
Arteta's men know there is no margin for error with the title race in City's hands.
Even a draw could prove fatal to their hopes – at the end of the 2015-16 season, the North London derby was the most drawn fixture in Premier League history, with 20 of 48 meetings finishing level (42 per cent). Since then, only four matches between these rivals have seen the points shared (27 per cent).
Arsenal have kept six straight clean sheets on their travels in the Premier League, with only two teams ever keeping seven in a row – Chelsea from September to December 2008 and Manchester United from November to February in 2008-09. The Gunners should have enough to grind out a huge win.
OPTA WIN PROBABILITY
Tottenham – 31%
Arsenal – 41.3%
Draw – 27.7%
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