Nasa astronauts Suni Williams and Butch Wilmore have splashed down near Tallahassee, Florida after nine months at the International Space Station.

They splashed down with Nasa astronaut Nick Hague and Russian cosmonaut Aleksandr Gorbunov.

Williams and Wilmore were in space for 286 days after technical issues on the Boeing spacecraft that was meant to return them to Earth.

Their original mission was meant to last eight days.