FLATBUSH (WABC) --Police in Brooklyn are searching for the attacker who stabbed three people with a machete outside a Brooklyn catering hall.
Investigators say the suspect stabbed a 19-year-old and two 20-year-old men at the restaurant along Prospect Park South in Flatbush.
The incident occurred about 2:30 Saturday morning.
The blade severed an artery in a 19-year-old's neck. Police say he's hospitalized and expected to survive.
The other two victims have been released from the hospital.
Police are still investigating, and are trying to determine what triggered the violence.
A witness told police a man pulled out a knife and started swinging after someone made a remark to him.
(Some information in this story is from the Associated Press.)