Syria's interior ministry said Saturday that it had warned the US-led coalition of a possible breach by Daesh (ISIS) fighters, following a deadly attack on American troops in Palmyra.
"There were prior warnings from the internal security command to allied forces in the desert region," ministry spokesman Anwar al-Baba said in an interview on state television.
"The international coalition forces did not take the Syrian warnings of a possible Daesh [ISIS] infiltration into consideration," he added.