From our "Persistence is Futile" file...

Top code-breakers at one of Britain's intelligence agencies, the GCHQ, say they have failed to decipher a message found attached to the leg of a dead Second World War pigeon. (more)

Can YOU crack the code?
RE HHAT VM RIYNZ LXJT MJRBTXAN
Give up? Crack it here. Your code number is 1943.