Eurozone leaders will meet on Thursday for a summit to try to resolve the Greek debt crisis and stop contagion to other economies.

Two Britons suspected of fighting for the Taliban are arrested by British armed forces in Afghanistan.

Police in Northern Ireland arrest two men over the shooting of an unarmed police officer in south Croydon, London, on 15 July.

The details of 1.5m Post Office workers dating back more than 250 years have been made available online for the first time.

A plan to rid the world of polio by the end of next year is "off track", say international experts.

A US man who shot dead three people on a post-9/11 rampage has been executed in Texas, despite pleas for clemency from a survivor of the shootings.

Climate change poses a major threat to global security, a senior UN official warns, as the Security Council agrees a statement, despite Russian objections.

A 120-million-year-old fossil is the earliest evidence of a pregnant lizard, according to scientists.