World News Update, what you need to know

JERUSALEM - A Palestinian teenager has been kidnapped and killed in apparent revenge for the murder of three Israeli youths, prompting international calls for calm as violence flared in Jerusalem.

ELSEWHERE:

BERLIN - Top European diplomats are holding crisis talks in Berlin as fighting raged in eastern Ukraine, where government troops backed by tanks and fighter bombers clashed with pro-Russian separatists.

PARIS - Nicolas Sarkozy has hit back after being charged with corruption, denying he broke the law and suggesting his political enemies were interfering with the French justice system.

PRETORIA - Paralympian star sprinter Oscar Pistorius is suffering from post-traumatic stress after killing his girlfriend and is a suicide risk, a South African court has heard.

LONDON - The BBC has rejected calls for it to investigate Rolf Harris's career at the corporation after the Australian was convicted of sexually abusing four young girls over two decades.

LOS ANGELES - A Hollywood actress has described how a "river was running through the aisles" of one of Qantas's giant A380 jets about an hour after taking off from Los Angeles for Melbourne.

LOS ANGELES - A Californian couple have been arrested for allegedly keeping their 11-year-old autistic son in a metal cage designed for an animal.

NEW DELHI - Facebook "communicated really badly" about a controversial study in which it secretly manipulated users' feelings, the social network's chief operating officer Sheryl Sandberg admits.