Two Russian pilots have reportedly been killed, after Islamic State militants shot down their military helicopter, near the Syrian city of Palmyra.
Russia has announced that one of its attack helicopters has crashed, but was not shot down, in Syria, killing both pilots.
A Russian special forces officer has reportedly been killed, during combat operations, near the city of Palmyra, in Syria.
At least 26 Syrian soldiers have been reportedly killed, by Islamic State militants, west of the captured city of Palmyra.
Islamic State militants have reportedly destroyed three ancient burial towers, in the historic city of Palmyra, Syria, with explosives.
An archeologist and antiquities scholar has been beheaded by Islamic State militants, in the ancient Syrian city of Palmyra.
Syrian army troops and armed militias have reportedly secured the perimeter of a highly contested oil field in Syria, near the city of Palmyra, following heavy fighting with Islamic State militants.
Dozens of civilians have been reportedly injured in the central Syrian city of Homs, following the explosion of two bombs.
At least 59 civilians have been killed in an air raid on a market in an Islamic State-held town, in the northern region of Syria.
Syrian authorities have said that Islamic State militants have killed at least 400 people, including women and children, in Palmyra.