WASHINGTON -- A third round of retaliatory strikes by the U.S. in Syria resulted in the death of an Al-Qaeda-affiliated leader, who officials say had a direct tie to the Islamic State member responsible for last month's ambush that killed two U.S. soldiers ...

The US military executed strikes in Syria targeting IS sites, retaliating for a December attack killing two soldiers and a civilian. These operations resulted in over 50 IS casualties. Meanwhile, Syrian forces regained a US-abandoned base,