Brighton manager Gus Poyet accused Leeds of feeling the pressure after an angry exchange between the two clubs' backroom staff.
Tempers flared on the touchline immediately after Robert Snodgrass struck Leeds' last-gasp equaliser. Home coach Glynn Snodin had to be restrained after something was thrown towards him from the Brighton bench and Poyet claimed Leeds over-did the goal celebrations.
Former Leeds coach Poyet, who was making his first return to Elland Road, said: "They celebrated the goal like they were going up. I don't know why."
He added: "They came over to us past the fourth official and celebrated in front of us. I don't have a problem with anyone at Leeds. It was a special day and I have seen so many friends but I think they are under pressure. They are really feeling it.
"I feel sad for them because that reaction was from people who don't understand the game. I said a month ago that this is the year for Leeds. I was convinced, but after seeing their reaction I am not sure.
"I think they were complaining that we were wasting time but did I tell the players to waste time? No. Were we cheating? No. I promise you, we did nothing.''
Leeds manager Simon Grayson said: "There was a bit of passion being thrown around at the end of the game. Glynn (Snodin) got carried away slightly. I think their assistant manager refused to shake his hand.''
Brighton led with a controversial 77th-minute penalty when Glenn Murray was adjudged to have been brought down by Leeds captain Richard Naylor.
Murray scored from the spot, but Grayson complained: "It looked a soft incident. Richard was behind Murray and I think the lad clipped himself to go over. It summed up the referee's performance.''
Grayson hit out at the tackle on Max Gradel that earned Brighton defender Adam Virgo a straight red card in the 81st minute.
"It looked a horrendous tackle. Max tried to jump out of the way or it could have caused a serious injury,'' he said.
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