Ronnie O'Sullivan books a tantalising quarter-final against world number one John Higgins after beating Shaun Murphy 13-10.

The UN says the Sri Lankan government carried out widespread shelling which killed most of the civilians who died in a 2009 offensive against Tamil Tigers separatists.

Ash that erupted from a volcano in Iceland last year was sharp and abrasive, suggesting the move to shut European airspace was justified, a study says.

Intelligence tests are as much a measure of motivation as they are of mental ability, says research from the US.

Applications for tickets for the London 2012 Olympic Games have "hit the roof" as the deadline approaches, according to organisers.

BBC presenter Andrew Marr has revealed he took out a super-injunction to protect his family's privacy - but says he will not pursue it any further.

Ukraine marks the 25th anniversary of the world's worst nuclear accident - at Chernobyl - amid renewed global nuclear concern.

French President Nicolas Sarkozy is due to meet Italian Prime Minister Silvio Berlusconi to discuss tensions over migrants from North Africa.