Explosions heard in Syrian capital; military source says attacks cause 'material damage' to sites

10 civilians and a Syrian soldier are killed as gunmen attack group collecting truffles, says UK-based Syrian Observatory for Human Rights; state news puts toll lower

Corpses of Egyptian girls, aged 11 and 13, discovered in sewage system in separate part of camp reserved for die-hard supporters of terror group and their children

Rebel factions reportedly respond by targeting government positions with artillery and missiles; two children among the dead

A woman and two children die in an attack targeting the enclave, which houses the last remaining forces fighting Bashar Assad

According to figures compiled by the Syrian Observatory for Human Rights, 1,505 of the casualties were civilians and among those 360 were children

Opposition-linked Syrian war monitor says nine killed in alleged strike that targeted several Iranian positions, among them the communication tower, near T4 airbase east of Palmyra

Britain-based Syrian Observatory for Human Rights claims attack targeted several Iranian positions, among them the communication tower, near the T4 airbase east of Palmyra

Syrian Observatory for Human Rights says attack late Friday targeted drone depot at T-4 base, which Israel has allegedly struck in the past

Attack on Hamza Division comes amid increasing tensions between Assad's forces and insurgent groups who still have a stronghold in parts of the country