Iraqi courts sentence to death a total of more than 300 people, including dozens of foreigners, for belonging to the Islamic State group, judicial sources say.

Three Yazidi sisters are finally reunited more than three years after being taken by the Islamic State (IS) militants in an assault on Sinjar, the Yazidi heartland on August 3, 2014.

Some 120 Islamic State fighters and 60 foreign mercenaries were killed in a series of Russian air strikes in Syria over the past 24 hours, the defence ministry in Moscow says.