Journey of Butch Wilmore and Suni Williams on a SpaceX Crew Dragon craft will be broadcast live

A pair of US astronauts stuck for more than nine months on the International Space Station will be returned to Earth on Tuesday evening, Nasa has said.

Barry “Butch” Wilmore and Suni Williams are to be transported home with another American astronaut and a Russian cosmonaut aboard a SpaceX Crew Dragon craft, which arrived at the ISS early on Sunday.