Syrian forces on Friday continued their offensive into the northern province of Idlib, driving some 1,000 refugees across the Turkish border.
The Syrian Observatory for HUman Rights said 45 civilians were killed in the frontier province.
Opposition activists also reported clashes between pro-Assad troops and army defectors in the capital Damascus and Hama
That followed by a move by Assad’s men to expel rebel forces from the Baba Amr district of Homs.
President Bashar Assad has long blamed the year-long conflict on foreigners.
On Friday, Syrian state television reported that the army had seized Israeli and US-made arms from rebel fighters in Homs.
The United States denies it is providing weapons for the Syrian opposition, but Defense Secretary Leon Pannetta is yet to rule it out.