Three militants open fire at Kabul University's campus, killing 22 people and wounding 22 others. The attack began around the time government officials were expected to arrive at the campus for the opening of an Iranian book fair. The gunmen are killed during a battle with security forces. ISIL claims responsibility for the attack.
More than 100 people are killed in a Saudi airstrike on a detention centre in Dhamar, Yemen, according to the International Committee of the Red Cross. Saudi Arabia says it hit a Houthi military facility used to store drones and missiles, "in accordance with international humanitarian law". Iran labels the airstrike as a "war crime".
Iranian President Mahmoud Ahmadinejad and Russian President Dmitry Medvedev disagree over Russia's support for United Nations sanctions concerning Iran's nuclear program, with some analysts describing it as the worst row between the countries for several years.