SANAA, Aug. 9 (Xinhua) -- At least 43 civilians, mostly children, were killed on Thursday when Saudi-led coalition air strikes hit buses in Yemen's northern province of Saada, head of Saada Health Office Yahya Shayem told Xinhua.

"A total of 43 people, mostly pupils under the age of 10, were killed and 64 injured when two Saudi-led airstrikes hit buses in Dhahyan popular market," Yahya Shayem said.

Meanwhile, head of delegation for the International Committee of the Red Cross (ICRC) in Yemen said on a twitter that "scores were killed, even more injured, most under the age of 10."