Smoke billows in the town of Douma, the last opposition holdout in Syria's Eastern Ghouta, on April 7, 2018, after Syrian regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Smoke billows in the town of Douma, the last opposition holdout in Syria's Eastern Ghouta, on April 7, 2018, after Syrian regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Smoke rises after Syrian government airstrikes hit in the town of Douma, in eastern Ghouta region east of Damascus, Syria, on Saturday, April 7, 2018. Syrian Civil Defense White Helmets via AP
Pro Syrian regime forces are seen as they advance towards the town of Douma, the last opposition holdout in Eastern Ghouta, on April 7, 2018, after regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Pro Syrian regime forces are seen as they advance towards the town of Douma, the last opposition holdout in Eastern Ghouta, on April 7, 2018, after regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Pro-Syrian regime forces are seen as they advance towards the town of Douma, the last opposition holdout in Eastern Ghouta, on April 7, 2018, after regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Syrians wounded receive first aid at an emergency room in Al Mouwasat Hospital, Damascus, Syria, on April 7, 2018. SANA / EPA
Smoke billows in the town of Douma, the last opposition holdout in Syria's Eastern Ghouta, on April 7, 2018, after Syrian regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Smoke billows in the town of Douma, the last opposition holdout in Syria's Eastern Ghouta, on April 7, 2018, after Syrian regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Smoke rises after Syrian government airstrikes hit in the town of Douma, in eastern Ghouta region east of Damascus, Syria, on Saturday, April 7, 2018. Syrian Civil Defense White Helmets via AP
Pro Syrian regime forces are seen as they advance towards the town of Douma, the last opposition holdout in Eastern Ghouta, on April 7, 2018, after regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Pro Syrian regime forces are seen as they advance towards the town of Douma, the last opposition holdout in Eastern Ghouta, on April 7, 2018, after regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Pro-Syrian regime forces are seen as they advance towards the town of Douma, the last opposition holdout in Eastern Ghouta, on April 7, 2018, after regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Syrians wounded receive first aid at an emergency room in Al Mouwasat Hospital, Damascus, Syria, on April 7, 2018. SANA / EPA
Smoke billows in the town of Douma, the last opposition holdout in Syria's Eastern Ghouta, on April 7, 2018, after Syrian regime troops resumed a military blitz to pressure rebels to withdraw. AFP
Syria media says US launching strikes but Pentagon denies claim
Videos on social media appear to show military jets flying over Lebanon on their way to strike targets in its neighbouring country