ity of Homs, as security forces continue their nationwide crackdown on weeks of anti-government protests.
Several reports say the residential district of Bab Amro came under attack in the early hours of the morning.
Towns around Deraa in the south have been raided and a western suburb of the capital Damascus has been cut off.
Thousands have reportedly been arrested and hundreds killed in the crackdown.
The Syrian government insists it is pursuing “armed terrorist gangs”.
It says it has seized arms and ammunition as well as 150 motorbikes it says the “terrorists” were using to launch attacks.