Islamic State (IS) militants have planted landmines and explosives around the ancient Palmyra ruins, according to a group that monitors the war in Syria.
Activists said it was unclear whether IS had laid the bombs to destroy the ruins or make the site secure from Syrian government forces.
21:03 Israel hits Syrian military targets after errant fire reaches its side of the Golan Heights11
17:32 Colorado officer in Pence motorcade injured after crashing motorcycle9
18:37 Thunderbird F-16 Military Jet Flips Over at Dayton, Ohio, Air Show Practice19
21:28 Syrian warplane shot down by US-led coalition24