Ten US aid workers who were possibly exposed to Ebola are being evacuated back to America from Sierra Leone, US officials say.

Aid agencies in Vanuatu say they are stepping up efforts to reach remote communities battered when Cyclone Pam tore through the Pacific archipelago.

National mourning is declared in Serbia after a rescue helicopter crashes while carrying a baby for medical treatment, with the loss of seven lives.

Fighting rages in Libya between Islamic State fighters and a militia alliance from the west of the country, near the city of Sirte.

The US embassy in Saudi Arabia cancels all consular services for Sunday and Monday due to "heightened security concerns".

A bus plunges off a cliff near the city of Joinville in southern Brazil, killing at least 32 people.

Top EU diplomat Federica Mogherini announces a visit to Havana later this month in another sign of Cuba's growing ties with the West.

The Vatican says force may be necessary to stop attacks by Islamic State militants on Christians and other minorities in the Middle East.