A concert performed by an orchestra made up entirely of strangers recruited on the London Underground takes place.

Thousands of people rally in Washington DC calling for stricter gun controls on a march from the Capitol to the Washington Monument.

Musicians and crew of the Mexican band Kombo Kolombia are reported missing after playing a gig on Thursday night in the northern city of Hidalgo.

Bulgarians are set to vote in a controversial referendum on whether to build a new nuclear power plant opposed by the centre-right government.

England batting coach Graham Gooch relinquishes his one-day duties to focus on Test cricket.

Holocaust Memorial Day ceremonies are to be held across the UK as the nation remembers the millions of Jews and others killed during the Holocaust.

African Union leaders meet in Addis Ababa to discuss the conflict in Mali, as members move to deploy troops to help the French-led operation there.

Ofsted chief Sir Michael Wilshaw orders a "rapid response" survey of English state schools, warning some of the brightest pupils are not being pushed.