At least six people were wounded on Wednesday in Lebanon's northern city Tripoli in fresh clashes between two rival districts linked to the unrest in neighbouring Syria, a security official said.
The official, speaking on condition of anonymity, said shooting broke out in the afternoon after soldiers tried to remove barricades in the sensitive and mainly Sunni Muslim neighbourhood of Bab al-Tebbaneh.
Residents opened fire on the soldiers, one of whom was wounded, and the troops responded.
The clashes then escalated with residents of Jabal Mohsen, which sits opposite Bab al-Tebbaneh, also opening fire.
One man fleeing Wednesday's unrest was killed after being run over by a car, the security official said.
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The violence died down after about two hours.
Jabal Mohsen is populated mainly by Alawites loyal to the embattled regime of Syrian President Bashar al-Assad, while Bab al-Tebbaneh residents support the opposition seeking to oust Assad.
Sectarian clashes between residents of the two districts earlier this week left nine people dead and some 50 wounded and sparked fears that the revolt in Syria could engulf its tiny neighbour.
The clashes were sparked by the arrest of a Sunni Islamist on charges of belonging to a terrorist organisation.
The army said in a statement that it had arrested several people in relation to Wednesday's violence.