A bomb attack in the western Syrian city of Homs has left at least 16 people dead and more than 50 injured.
A second blast appeared to have come from an exploding gas canister.
But the Islamic State group, which claimed responsibility for the attack, said the bomber activated his explosives belt after parking the car and detonating it.
Homs Governor Talal Barazzi said most of the dead were women and children.
The British-based Syrian Observatory for Human Rights said an army colonel, a policeman, and woman were among those killed.
The explosion comes shortly after the government secured its control over Homs following a truce deal with insurgents fighting against President Bashar al-Assad in the district of Al-Waer.
Under that UN-brokered deal, some 750 rebel fighters and civilians were allowed to leave Al-Waer and the government agreed to allow aid in.
The deal came after the area had endured a siege by government forces for nearly two years.
Some 250,000 people have been killed since the conflict in Syria erupted into violence in 2011.