Knut the polar bear gets a wooden candle and a fish salad for his first birthday at a Berlin Zoo. Knut made headlines last year, when he was rejected by his mother.
An Italian UN helicopter launches flares during a training exercise near Naqoura, Lebanon.
Swan boats stand ready for hire on West Lake in Vietnam's capital, Hanoi.
A lifeguard trains in unusually high waves at Manhattan beach, California.
Police detain an activist protesting for workers' rights in Hyderabad, southern India.
Part of the New York skyline is captured under cloud from inside Central Park.
A would-be immigrant is helped after arriving by sea on Tenerife in the Canary Islands. Two of the group of 40 died making the trip.
All You Need Is Love, a work by British artist Damien Hirst, is on display Sotheby's auction house in London. It is expected to fetch $1.5m (£740,000) for Aids relief in February.
An Afghan looks through a window broken by a suicide bomb blast in the capital, Kabul.
Clothing by Libyan designer Basma Ebara goes on show in Tripoli.