Paula Radcliffe says she is "at a loss" to explain why her performance in the Vienna half marathon was "quite so bad".

The 100th anniversary of the sinking of the Titanic is being remembered at special events across the world, including in the ship's birthplace Belfast.

US President Barack Obama warns of the dangers of legalising drugs ahead of an Americas summit in Colombia discussing the issue.

Colombia's Jose Antonio Ocampo pulls out of the race to be the next World Bank president, calling the selection process a "political exercise".

Labour leader Ed Miliband calls for donations to political parties to be capped at £5,000 - including those from trade unions - but says gifts from union members should continue.

Ratings agency Standard & Poor's reaffirms its AAA credit rating for the UK, saying it believes the economy is "wealthy, open and diversified".

Multiple blasts and gunfire are heard in what appear to be co-ordinated attacks on several targets in Kabul, including the UK embassy.

Unconfirmed rumours on the internet about the death of Briton Neil Heywood in China suggest he was poisoned with potassium cyanide.