Saudi authorities say the latest attack on the international airport in the capital, Riyadh, has killed 12 people and injured over 300. The third attack this week on Riyadh's international airport on Saturday left at least 12 people dead and more than 300 wounded, Saudi authorities said, and the Iran-backed Houthis claimed responsibility for the strike, a major escalation of their campaign against the Saudis. Key points and original sources are listed below.

• Saudi authorities say the latest attack on the international airport in the capital, Riyadh, has killed 12 people and injured over 300. Their statement says the dead on Saturday included four Saudi citizens as well as two Bangladeshi nationals, a Palestinian,...S1

• The third attack this week on Riyadh's international airport on Saturday left at least 12 people dead and more than 300 wounded, Saudi authorities said, and the Iran-backed Houthis claimed responsibility for the strike, a major escalation of their campaign aga...S2

• The international airport in Saudi Arabia's capital, Riyadh, was attacked again Saturday as the kingdom faces an extraordinary series of assaults in the new front in the Iran war.S3

• A missile attack on the passenger terminal at Saudi's international airport in Riyadh has killed 12 people and wounded more than 300.S4

• By Timour Azhari and Enas AlashrayRIYADH, Oct 10 (Reuters) - The third attack this week on Riyadh's international airport on Saturday left at least 12 people dead and more than 300 wounded, Saudi authorities said, and the Iran-backed Houthis claimed responsibi...S5