The strike hit a vehicle in Saeed district late Friday killing the driver and both passengers, the official said.

The early morning strike targeted a car in central Marib province that had been transporting arms from Yakla in Baida province, a military official told AFP on condition of anonymity.

A US drone attack in Yemen killed two suspected Al-Qaeda members in their vehicle on Saturday in Marib province east of the capital Sanaa, a local official said.

Afghanistan on Saturday hailed Washington's decision to expand the US military's authority to tackle a resurgent Taliban insurgency, saying the support will boost the capacity of struggling local forces.

Afghan authorities scrambled Sunday to confirm the fate of Taliban leader Mullah Akhtar Mansour after US officials said he was likely killed in drone strikes