Spy swap Russian keen to return home

One of the Russians who arrived in the UK last month as part of the biggest "spy swap" since the end of the Cold War has been speaking to the BBC about the exchange and his time spent in a Russian prison camp near the Arctic Circle.

Igor Sutyagin, a researcher at a Moscow arms think-tank was arrested in 1999 and convicted of passing secrets to the West.

Despite spending over a decade in prison he is keen to return to Russia.

Bridget Kendall reports.