Militants unleash a volley of machine gun fire in Tripoli, Lebanon.<br/> <br />Sectarian fighting between Sunni Muslims and the minority Alawite community has killed at least 25 people over the past eight days.<br/> <br />The civil war in neighbouring Syria has sharply increased sectarian tensions here, with Sunnis supporting the rebellion against the government and Hezbollah backing President Bashar al-Assad.<br/> <br />One resident on Sunday said he found an unexploded rocket in his backyard.<br/> <br />In southern Beirut, two rockets hit a Hezbollah-controlled district -- the first apparent attack on the militant group's stronghold since the Syrian conflict began.<br/> <br />One of the rockets landed in a car sales yard next to a busy road junction.<br/> <br />The other hit an apartment 300 metres away, wounding five people.<br/> <br />There was no immediate claim of responsibility, but the rocket fire came a day after Hezbollah leader Hassan Nasrallah gave a speech committing the guerrilla group to fighting in Syria
