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Astronauts on the International Space Station have ended their spacewalk early after American Tim Kopra spotted water inside the visor of his helmet.

This isn't the first time water has made its way into the suit of an astronaut. Luca Parmitano's suit filled with water while he was outside the IIS in 2013. He told 5 live that since his experience the crew have come up with an "ingenious way" to fix "snorkels" to the front of their kit.

Luca went on to say that the snorkels were a "huge step in managing to solve the problem" as astronauts will still be able to breathe if water gets into their helmet.

Astronauts Tim Peake and Tim Kopra were more than four hours into a six and a half hour spacewalk to replace a power unit on the outside of the ISS.

This clip is originally from 5 live Drive on Friday 15 January 2016.