Syria confirms the killing of senior Islamic State leader Abu Omar Shaddad in a coordinated operation with the U.S.-led coalition.

Syria confirms the killing of senior Islamic State leader Abu Omar Shaddad in a coordinated operation with the U.S.-led coalition.

Washington said a lone gunman from the militant group carried out the 13 December attack in Palmyra.

The US military launched large-scale strikes against dozens of Islamic State group targets in Syria on Friday in retaliation for an attack on American personnel, US officials said. A US-led coalition has been carrying out airstrikes and ground operations in Syria targeting Islamic State suspects in recent months, often with the involvement of Syria's security forces. Simon Mortiz has more.

The US military has carried out a wave of air strikes against dozens of Islamic State group targets across central Syria, US officials said, in retaliation for a deadly attack on American personnel.…