Members of the Greek Presidential Guard perform an important and highly respected function

Semi-nomadic Sami people feel modern world pressures

Twitter accounts for news programmes by US broadcaster CBS are hacked by a group proclaiming support for the Syrian government.

Footage of the moments leading up to the arrest of the Boston Marathon bombings suspect Dzhokhar Tsarnaev has been released by the Massachusetts State Police.

Homes in Lenten Pool, Denbigh, are evacuated for a second night running as explosives experts search a property after a man is arrested.

Secretary of State John Kerry steps up US aid to Syria's rebels and tells a Friends of Syria meeting there must be a peaceful transition in the country.

Authorities in Texas say it is safe for some evacuees to begin returning to homes after a huge blast at a fertiliser plant which killed 14 people.

An avalanche in the US state of Colorado kills five back-country snowboarders with a sixth surviving, according to officials.

The electoral commission in Venezuela says an audit of last Sunday's disputed presidential vote will not affect Nicolas Maduro's victory.