At least seven people have been killed in two bomb attacks near the main entrance of the airport in Mogadishu, Somali police say.

At least 15 people are killed in a knife attack at a residential care centre for the disabled in the Japanese city of Sagamihara.

South Sudan's President Salva Kiir removes Riek Machar as first vice president, two weeks after the rival leaders' forces clashed in the capital.

The Solar Impulse becomes the first aircraft to circle the globe powered by the sun after landing in Abu Dhabi on the last leg of its journey.

A Chinese container ship hits a wall of the recently-widened Panama Canal, amid concerns that the new canal has less space for manoeuvres and could be unsafe.

Australia's prime minister calls for a royal commission after a report shows prison guards assaulting teenage boys in juvenile detention.

Bangladesh police kill nine suspected Islamist militants after a gun battle in the capital Dhaka, officials say.

US first lady Michelle Obama delivers a rebuke to Republican Donald Trump and gives an impassioned endorsement of Hillary Clinton at the Democratic convention.