Beirut: Fifteen Syrians were killed on Friday, including 10 shot dead in Baba Amr after regime forces overran the rebel district of the central city of Homs, a watchdog said.

Rami Abdel Rahman, head of the Syrian Observatory for Human Rights, told 10 Syrians were "shot dead" in Baba Amr, but added: "The circumstances of their deaths are not clear."

The Britain-based watchdog said that regime forces had turned a Baba Amr shopping centre into a detention area and called on the International Committee of the Red Cross, which has a relief convoy poised to enter the neighbourhood, to inspect it.

The Observatory warned of summary executions in Baba Amr after took control of it on Thursday following the withdrawal of rebel fighters.

In Idlib province in the northwest, security forces shot dead a young man at a checkpoint near Maaret al-Numan, the Observatory said.

A couple and their driver were also killed where regime forces opened fire on their car at a bridge in the Idlib town of Saraqeb, it added.

Another civilian was shot dead by security forces in the eastern city of Deir Ezzor, the watchdog added.

The Observatory said 21 people were killed in Homs on Thursday, including 17 civilians caught up in the battle for Baba Amr.