A frame grab taken from footage released by Russia's Defence Ministry December 4, 2015, shows air strikes carried out by Russia's air force hitting trucks carrying oil, which, according to the ministry, are controlled by the Islamic State militants, in Aleppo in Syria. Russia's air force flew 431 sorties and hit 1,458 "terrorist targets" in Syria in the week of Nov. 26 - Dec. 4, Russian news agencies quoted the Russian Defence Ministry as saying on Friday. Photo: Reuters
A Palestinian protester uses a slingshot to hurl stones towards Israeli troops during clashes in the West Bank city of Bethlehem December 4, 2015. Photo: Reuters
A Syrian refugee girl reacts in front of a Greek police cordon whille trying to reach a narrow border crossing into Macedonia near the Greek village of Idomeni December 4, 2015. Photo: Reuters
A refugee breastfeeds her baby behind a Greek police cordon as she waits to cross the Greek-Macedonian border near the village of Idomeni, Greece December 4, 2015. Photo: Reuters
Aidan Solis, 11, kneels by a pop-up memorial in San Bernardino, California December 4, 2015, following Wednesday's attack. Authorities are investigating the San Bernardino, California, shooting as an "act of terrorism", Federal Bureau of Investigation assistant director David Bowdich said at a news conference on Friday. Photo: Reuters
