Seven people are being held hostage aboard an EgyptAir plane that was forced to divert to Larnaca airport in Cyprus.
A man has been arrested following a hostage situation at a restaurant in London’s Leicester Square.
Gunmen have killed three people and taken 170 hostages in an attack on the Radisson Blu Hotel in the centre of Mali’s capital, Bamako.
US authorities have confirmed the death of American aid worker Kayla Mueller, who had been held hostage by militants in Syria since 2013.
The gunman holding dozens of people hostage in a Sydney cafe has been named by police as Iranian-born radical Muslim cleric Man Haron Monis.