It's alleged a Conservative minister in the 1960s, who was also a Devon MP, sold information about his colleagues and Parliament to communist spies.
Czech Security Service files are reported to reveal Raymond Mawby, who died in 1990, was in its pay for a decade.
Today in Parliament, the current MP for Totnes, Sarah Wollaston, called for a full inquiry.
More top news
Hundreds of people turned out to support Exeter's Gay pride march today.
Martin Clunes is back in Cornwall, filming his hit ITV show Doc Martin. He took a break to speak to us about his love of the county.
CCTV released by Network Rail shows how many teens narrowly avoid death on railways. A new film for schools warns them about the danger.