Syrian activist said that 24 civilians were killed by security forces on Sunday despite sanctions against the regime approved by the Arab League.
Troops backed by armor killed 11 people, including two children, in Rankous, a town 30 km (19 miles) north of Damascus as they raided houses looking for activists who had taken part in anti-Assad rally on Friday that was broadcast live on al-Jazeera television, activists said.
In the eastern city of Deir al-Zor, security police killed two people and wounded 10 at a funeral of an activist.
"The funeral came under fire at the mosque when the crowd started chanting 'the people weren't the downfall of the regime'," Abu Jassem, an activist in the city, said by phone.
In al-Ghab plain, northwest of the city of Hama, troops arrested dozens of villagers in the town of Kfar Nbouzeh, burnt six houses belonging to activists and ransacked shops, the Syrian Observatory for Human Rights said, adding that 11 people were also killed in the central province of Homs.