Three teenagers are under arrest on suspicion of stabbing and critically injuring a waiter at a Rishon Lezion cafe early on Thursday.
Police said the youths, aged 15 and 16, who were allegedly intoxicated, began rioting at the care, damaging property.
Cafe staff asked the youths to leave. As they proceeded to make their way out of the premises, one of the waiters allegedly directed a comment at the group, prompting a brutal physical assault against him.
During the attack, one of the youths allegedly produced a knife and stabbed the waiter.
Paramedics rushed the stab victim, aged 22, to the Assaf Harofe medical Center, where he is listed in serious condition.