In-depth reporting and analysis from a global perspective.
In-depth reporting and analysis, including the latest on the situation in Calais.
Taliban leader Mullah Omar 'died in 2013' says Afghan government.
Eurotunnel claims 2,000 migrants tried to enter their Calais terminal. With Ritula Shah.
Turkey and the US agree to set up a buffer zone on the Syrian border.
Obama tells the BBC his biggest disappointment is a lack of progress on gun control.
George Osborne: on the political centre ground?
David Cameron sets out his response to radicalisation.