An Egyptian and an Algerian national were killed at Abha airport and a Sudanese national was killed at the airport in Riyadh, the kingdom's civil aviation authority said in a statement, with 36 people wounded in the attacks. The Houthis have claimed responsibility for the attacks, which mark an escalation in the conflict. Key points and original sources are listed below.

• An Egyptian and an Algerian national were killed at Abha airport and a Sudanese national was killed at the airport in Riyadh, the kingdom's civil aviation authority said in a statement, with 36 people wounded in the attacks.S1

• The Houthis have claimed responsibility for the attacks, which mark an escalation in the conflict.S2