Gunfire, explosions and smoke in the Syrian city of Homs, where activists say Syrian security forces killed 10 people on Thursday.<br/> Posted on a social media web site, this amateur video - which cannot be independently verified by Reuters - purportedly shows signs of continued violence.<br/> And still no signs yet of troops leaving under an Arab League agreement to end bloodshed after seven months of protests against President Bashar al-Assad.<br/> This the day after Syria - under pressure from the United Nations - agreed to pull the army out, free political prisoners and hold talks with the opposition.<br/> The UN says Assad's crackdown has killed more than 3,000 people. Syrian authorities say Islamist militants and armed gangs have killed more than one thousand soldiers and police.<br/> Tough Syrian media restrictions have made it hard to verify events on the ground since an uprising against Assad began in March, inspired by other revolts in the Arab world.<br/> Katharine Jackson, Reuters.
