The head of security for the Brazilian state of Rio de Janeiro, Jose Beltrame, stands down after a surge in drug-related violence since the end of the Olympics.

Russian planes resume bombing of rebel-held districts of Aleppo after a temporary lull, with reports of at least 25 people killed.

Italy's Olympic Committee officially withdraws its bid to stage the 2024 Games in Rome after the city council voted to oppose the candidacy.

The Democratic Republic of Congo is at "extreme risk" of descending into widespread violence, the UN Security Council is warned.

The mother of Jim Carrey's ex-girlfriend is suing him for the wrongful death of her daughter.

Facebook, Twitter and Instagram revoke access to their data to an analytics firm accused of selling information that allowed US police to track protesters.

Shares in Samsung fall further on Tuesday after the smartphone maker said it would scrap production of its flagship Note 7 model.

President Obama urges senior Republicans to formally withdraw their endorsement of Donald Trump following his controversial remarks about women.