(Reuters) - At least four suspected al Qaeda members were killed in a drone strike in central Yemen, local tribal leaders said on Tuesday, following a U.S. warning of a possible major militant attack in the region.

The warning issued by Washington on Friday has prompted the closure of several Western embassies in Yemen and several U.S. missions across the Middle East and Africa.

The New York Times reported on Monday that the closure of the U.S. embassies was prompted by intercepted communication between al Qaeda leader Ayman al-Zawahri and Nasser al-Wuhaishi, head of Yemen-based al Qaeda in the Arabian Peninsula (AQAP).