The on-field spat between Brighton pair Shane Duffy and Robert Sanchez after a first-half mix-up on Saturday continued in the tunnel at half-time.
The Irish defender shoved the Spanish goalkeeper in the chest in front of shocked fans.
With tempers still flaring and their team 2-0 down to Burnley, the pair exchanged words in the tunnel and, following some push and shove, had to be separated, with damage done to a wall.
Ahead of the second half, the team-mates made up and embraced, but Brighton still went on to lose 3-0.
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