Football Australia promised it would impose "strong sanctions" after a violent pitch invasion by supporters saw the A-League Men derby between Melbourne City and Melbourne Victory abandoned.
The game at AAMI Park saw flares thrown by both sets of fans during the first 22 minutes, before trouble escalated when a flare seemed to hit a pitch-side cameraman before exploding, while City goalkeeper Tom Glover threw another flare back into the crowd.
This led to many fans storming the pitch, with Glover being hit in the face with a metal bin that had been used for other flares. His club later said the 24-year-old "likely has a concussion" and was being treated by medical staff.
Football Australia was dismayed by what it called "shocking scenes", saying the match officials had rightly abandoned the game, while Melbourne Victory said the club were "devastated" and condemned the actions of their supporters.
In a statement, Football Australia said: "Such behaviour has no place in Australian football, with a full Football Australia investigation to commence immediately, where strong sanctions will be handed down."
The Australian Professional League (APL) said referee Alex King had also been injured in the melee.
The referee was standing next to Glover as fans poured onto the pitch from behind the goal and was covered in ash as smoke filled the air, before he took the players off the pitch.
Melbourne Victory said the behaviour of the club's supporters was "not acceptable under any circumstance" and apologised to Glover, King and the cameraman.
The club said: "Tonight, Melbourne Victory Football Club is devastated. The club unequivocally condemns the actions of fans at Saturday night's match against Melbourne City at AAMI Park.
"The actions that occurred, that saw spectators enter the pitch and injure a Melbourne City FC player, an official and a Network Ten cameraman, are not acceptable under any circumstance and have no place in football.
"The security and welfare of everyone involved in a football match is paramount and the club will not accept this behaviour.
"The club would like to formally apologise to Tom Glover, match official Alex King and the camera operator as well as all players, officials and those who witnessed the appalling behaviour.
"This conduct will not be tolerated and the club, along with AAMI Park and Victoria Police, will undertake a full investigation into the incident.
"Melbourne Victory would like to reiterate there is no place in football for what was witnessed tonight."
The game was played against the backdrop of fan protests earlier in the week after both the men's and women's A-Leagues announced the sale of the rights to their grand finals to the New South Wales government.
Both finals will be played in Sydney for the next three years after a deal reported to be worth eight figures was reached, with several prominent individuals involved in Australian football speaking out against the move away from the tradition of the highest-placed team hosting the game.
Al-Khaleej 0-1 Al-Nassr: Ronaldo misfires on return as Laporte nets winner
Cristiano Ronaldo returned from suspension but failed to find the net as Al-Nassr secured a 1-0 win over Al-Khaleej on Saturday, with Aymeric Laporte coming up with the decisive goal.
Ronaldo was in action for the first time since being sent off for an elbow in a 2-1 Saudi Super Cup loss to Al-Hilal earlier this month, with his initial two-match ban being reduced to one on appeal.
He missed three good chances as Al-Nassr threatened to fall further behind runaway Saudi Pro League leaders Al-Hilal, but former Manchester City defender Laporte spared his blushes by nodding Marcelo Brozovic's deep free-kick into the bottom-left corner with 68 minutes gone.
Al-Nassr remain nine points adrift of Al-Hilal at the summit in spite of their win, with Jorge Jesus' team unbeaten through 28 games this season as they close in on a record-extending 18th title.
Data Debrief: Ronaldo misfires on return
Ronaldo was presented with the Saudi Pro League's Player of the Month award for March ahead of kick-off, having scored four goals in three league appearances last month.
However, his sights were off on Saturday as he failed to net despite three of the visitors' four big chances, as defined by Opta, falling his way. He led all players on the pitch for expected goals (1.27 xG), shots (five), shots on target (three) and touches in the area (nine) without reward.
Huddersfield all but relegated from Championship while League Two play-off spots decided
Huddersfield Town saw their relegation from the Championship all but confirmed after a 1-1 draw with fellow strugglers Birmingham City on Saturday.
The Terriers avoided a defeat that would have seen them relegated on Saturday, but even a win on the final day over promotion hopefuls Ipswich Town will not be enough unless they overcome a huge goal difference of 15 goals with Plymouth Argyle.
Birmingham remain in the other relegation place and now must beat Norwich City to stand a chance of staying up with Sheffield Wednesday, Plymouth and Blackburn Rovers also still in danger.
At the other end of the table, the Canaries dropped points in a 2-2 draw with Swansea City, leaving the door open for Hull City, who face Ipswich Town later today.
Leicester City seal automatic Premier League return
Leicester City are once more a Premier League team, having bounced straight back after relegation last season.
The Foxes secured automatic promotion without kicking a ball, as title rivals Leeds United lost 4-0 away to Queens Park Rangers on Friday.
Marti Cifuentes' Hoops side gave their fans a reason to cheer in their final home game of the season, and the emphatic win means they are now seven points clear of the relegation zone.
The Hoops boss told BBC Sport: "I came here, perhaps I was crazy thinking we could manage the great escape.
"The atmosphere has been unbelievable since I came here. Everybody thought tonight could be a special night to achieve our target.
"Big players deliver big performances and our players all did that tonight."
Defeat ensured only Ipswich Town can now finish above Leicester, meaning the Foxes will be back in the big time.
Ipswich, who have three games left to play, face play-off hopefuls Hull City on Saturday.
Speaking to BBC Sport, Leeds boss Daniel Farke said: "It's not in our hands any more [automatic promotion], we need to be honest.
"The race is not over. If Ipswich win the next two games then I will say congratulations, but if they don’t win them then we will have a lot to play for.
"As long as we have a chance, I’m far away from giving up."
Leicester could be crowned champions if they beat Preston North End on Monday and if Hull beat Ipswich.
The Foxes are looking to break the 100-point barrier, despite a wobble from Enzo Maresca's side in recent months.
After they had been so far ahead and top for all but two of the 176 days between 23 September and 17 March, an untimely dip in form handed Leeds and Ipswich hope.
However, while Leicester celebrate their promotion, they face the daunting prospect of starting next season with a points deduction, after they were charged by the Premier League with alleged breaches of the competition's Profit and Sustainability Rules (PSR).
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