Gunfire has been heard in western Beiruit, a stronghold of Hezbollah, as two groups clashed following a protest over the Shia group's military role in Syria.

Al Jazeera correspondent Mohamad Vall, reporting from the Lebanese capital, said the incident happened at about lunchtime near the Iranian embassy.

He said that a group of young men began to protest against the role of Iran and Hezbollah in the war in neighoring Syria, and were then attacked by another group of young men. However, the groups were not large in number.

A firefight took place and a number of people were wounded, but there were no reports of anyone killed. It was not clear who started the gunfire.

Vall said the army was now in control of the area with barricades set up on the road.

PHOTO CAPTION

Hezbollah fighters in their military uniform, foreground, carry the coffin of Hezbollah fighter Hassan Faisal Shuker, 18, who was killed in a battle against Syrian people in the Syrian town of Qusair, during his funeral procession in his hometown of Nabi Sheet in the eastern Bekaa valley, Lebanon, Monday May 20, 2013.

Aljazeera