Coolant sprays out from Soyuz space capsule

Russia's space agency says it is considering sending an empty spacecraft to the International Space Station (ISS) to bring home three crew members ahead of schedule, after their Soyuz capsule started leaking.

The vehicle - known as MS-22 - flew Russian cosmonauts Dmitry Petelin and Sergey Prokopyev, as well as Nasa astronaut Frank Rubio, to the station in September.

But it began spraying coolant into space earlier this month, with Nasa TV capturing dramatic images of white particles streaming out of the capsule like snowflakes.

Nasa says that none of the crew are in danger.