UN chief Ban Ki-moon is "appalled by the chilling military escalation" in the war-torn Syrian city of Aleppo, his spokesman says.

US politician and civil rights leader John Lewis hails the opening of the Smithsonian Institution's new National Museum of African American History and Culture.

A suspect sought over a deadly gun attack at a shopping centre in Washington state has been arrested and named as Arcan Cetin, 20.

Thousands of people protest in Mexico City against a government proposal to legalise same sex-marriage, which they say undermines traditional families.

The Duke and Duchess of Cambridge arrive in Canada for their first royal tour with both of their children.

Bosnian Serbs are voting on whether to maintain 9 January as a national holiday in defiance of Bosnia's highest court.

Swiss voters are deciding in a referendum whether to back new surveillance powers for the country's intelligence agencies.

A Jordanian writer charged with offending Islam after sharing a satirical cartoon on his Facebook page is killed in the capital Amman.