大象传媒

If the Litvinenko case had happened anywhere else "it would have been a mysterious death", said Professor Norman Dombey, who gave scientific evidence to the inquiry in to the death of Alexander Litvinenko.

The former Russian Spy died after drinking tea laced with radioactive polonium in a London hotel in 2006.

British scientists were able to pinpoint exactly where the radio active substance that killed him came from, said Professor Dombey.

If it had happened elsewhere "there wouldn't have been any discernible radiation", he added.

(Image: Litvinenko) (Credit: Getty)