At dawn hundreds of troops entered Bab Amr and began shelling: Homs was "shaking with the sound of explosions from tank shelling and heavy machine guns in Bab Amr", a rights campaigner said.
At dawn hundreds of troops entered Bab Amr and began shelling. There were heavy machine gunfire and explosions from tank shelling in Bab Amr and nearby villages, activists and a rights campaigner said.