Two suicide bombers blew themselves up near a mosque in south-eastern Iran, killing at least 15 people at a Shiite mourning ceremony, Iranian media reported.

Police in Iran have arrested 40 suspects after the devastating twin bombings of a mosque in the south-eastern city of Zahedan, according to an Iranian news agency.

Iran's powerful Revolutionary Guard today accused Britain of being linked with Sunni militants whose suicide bombing killed five senior commanders and 37 others.

A suicide bomber killed five senior commanders of the elite Revolutionary Guard and at least 26 others in an area of south-eastern Iran that has been at the centre of a simmering Sunni insurgency, state media reported.