The leader of the Islamic State, formerly Isis, has released the first audiotape calling for jihad since the group renamed. The group is currently battling Iraqi forces across large parts of the country.

Tony Blair should be impeached for misleading the Commons on the eve of the Iraq war, the UK's most senior MP has said.

Father of the House Sir Peter Tapsell said backbench MPs should use their "ancient" powers to haul the former prime minister before Parliament.

Former prime minister Tony Blair is currently Middle East envoy. Credit: Dominic Lipinski/PA Wire

Sir Peter, who first entered the Commons in 1959, was one of a handful of Conservative MPs to vote against the Iraq war in 2003.