After reports of possible rocket attacks and bombings in Dhahran, Dammam and Al - Khobar. Reuters said that the United States diplomatic mission in Saudi Arabia advised its

nationals to take precautionary measures.

This evening, residents in Saudi Arabia were quoted hearing of an explosion in the eastern Saudi city of Dhahran.

The residents said they heard of an explosion in the eastern Saudi Arabian city of Dhahran on Sunday, but the cause was unknown and no confirmation has yet been received from Saudi authorities.

For its part, the Ansar Allah group said that "in Yemen, in a statement this evening, they launched 14 helicopters and eight ballistic missiles towards Saudi Arabia targeting Laramco installations in Ras Al-Tanura and military targets in Dammam, Asir and Jazan.