New Zealand police arrest a man in connection with an assault on cricketer Jesse Ryder, who is in a medically induced coma in Christchurch.

Italy's political limbo continues as centre-left leader Pier Luigi Bersani fails to form a cabinet after a week of talks with other parties.

Boston's longest-serving mayor, Thomas Menino, announces he will not run for re-election after almost 20 years in the city's top office.

France aims to reduce the number of its troops fighting Islamist militants in Mali to 1,000 by the end of the year, President Francois Hollande says.

Human toll collectors at San Francisco's iconic Golden Gate bridge are replaced with an all-electronic system.

Iran, North Korea and Syria block what would have been the first treaty to regulate the $70bn (£46bn) global trade in conventional arms.

Prosecutors in the case of a Colorado cinema massacre say they will not accept a plea offer from the suspect unless they have more information.

A mining company in Brazil says a giant wave is to blame for the collapse and sinking of a floating port on the Amazon river, in the state of Amapa.