Tim Peake and his two colleagues have landed back on the remote Kazakh steppe.
"The Soyuz is home. Touchdown confirmed," said Nasa on its live stream.
Recovery teams are one their way to the capsule to help retrieve the astronauts.
More top news
Sir Robert Pascoe urged veterans to seek advice if they became involved.
His proposal has been knocked back by the Liberal Democrats and senior pro-Remain Tories.
Bright and breezy with occasional brisk showers