Code crackers come forward

Homing pigeon's were often used during WW2. Credit: ITV Anglia

People from around the world are coming forward to try and crack a World War Two message found on the leg of a dead pigeon.

The bird, which had been on its way to Bletchley Park near Milton Keynes, was found in a chimney in Surrey last month.

Remains of the bird found in the chimney. Credit: ITV Anglia

Experts at the Government's communication agency GCHQ intelligence agency say they've failed to decode the top secret message without access to the original cryptographic material.