"I will he having a word with the players when they report back from a break on Wednesday," Pulis told the Stoke Sentinel newspaper.
"When they get involved in melees like that, they are simply opening themselves up to get into trouble.
"There are now four people looking on [referee, two assistants and a fourth official] and there is always the danger of one of them trying to make a name for himself.
"I don't mind my players sticking up for one another, that shows a great spirit among them.
"But my message to them will be to act as peacemakers in such situations by pulling their own players away from any trouble, not any of their opponents.
"Once you raise a hand to an opponent, whatever the reason, you could land yourself in bother with the officials,"