Jerusalem (CNN) -- A car exploded in the Israeli city of Tel Aviv on Thursday, but police say they don't think the blast was terror-related.
The explosion occurred near a bus, and four people were injured by glass and shrapnel
Police say they believe the strike was an assassination attempt related to organized crime.
Investigators want to know whether an explosive was planted in or thrown at the car, which could be seen engulfed in flames on Israeli TV.
They are searching for a motorbike in connection with the incident.
Two months ago, a bus was bombed in Tel Aviv, a strike that wounded 24 people and that police regard as a terror attack.
An Arab-Israeli was arrested in connection with the blast. Police said the attacker was carrying out orders from Hamas and Islamic Jihad.