Police sources say that they have detained Samir Bakri, the alleged head of the Bakri crime family, after a four-month search.
Police special forces raided a compound in the town of Basmat Tab’un in the north. Bakri tried to flee along with another suspect but was arrested after a chase.
Bakri is suspected of murder and extortion.
The arrest comes as police try and crack down on a raging crime wave in the Arab community.
A running feud between the Bakri and Hariri crime families is thought to have claimed dozens of lives, including the mass killing of five people in a car wash in June.