Twitter users in Libya are sharing survival tips as militias battle for control of the country.

Technology giants are using their burgeoning wallets to build new headquarters - what kind of buildings do they want?

A US couple, who were married for nearly 62 years, died just hours apart, their granddaughter has said.

At a time when video games and TV shows compete for children's attention, a more traditional form of entertainment is experiencing something of a revival in Egypt.

US President Barack Obama will meet African heads of state later on Wednesday at a summit in Washington., with trade, strengthening democracy and boosting security all on the agenda.

Uighur photographer Kurbanjan Samat tells the BBC about his mission to bridge the gap between the Chinese and the Uighurs.

Fourteen people were injured, three of them seriously, in a traffic accident involving two double-decker tour buses in Times Square in New York.

In 1949 the de Havilland Comet was built, heralding a new age in commercial air travel.

"Captain Mikey Irishman" has been homeless in Denmark for seven years. He has made it his task to tend the homeless grave in Copenhagen cemetery.

A futurist says it is "possible" the Chinese could start mining for fuel on the Moon.

A German court agrees to end the bribery trial of Formula 1 boss Bernie Ecclestone in exchange for a $100m (£60m) payment from him.

Questions about identity and relations are on the minds of Ethiopians living in Washington.

Amnesty International releases footage which it says shows the Nigerian army engaging in "gruesome extrajudicial executions".

Israel has withdrawn its ground troops from Gaza as part of a three-day ceasefire, brokered by Egypt.

The system for looking after older people in England is "horribly fragmented", Care Minister Norman Lamb has said during a visit Sweden to see how the elderly are cared for there.

Olympians arriving in Rio de Janeiro at the weekend for the first test events prompt concerns about whether the city will be ready in time for 2016 Games.

Footage shows the dramatic rescue of two US hikers from mountains in California.

The BBC's Jiyar Gol reports on fears in Iraq that Isis militants could take control of the country's dams, bringing flooding to communities along the Tigris and Euphrates rivers.

Tom Burridge visits a warehouse in Kiev which is being used as a shelter for refugees from the conflict in eastern Ukraine.

The World Bank announces that it is allocating $200m in emergency assistance to help West African countries contain the Ebola outbreak.