Tim Peake spacewalk: Nasa ends ISS exercise early after helmet leak

Nasa was forced to end a spacewalk involving British astronaut Tim Peake earlier than scheduled as fellow astronaut Tim Kopra reported a leak in his spacesuit helmet. Royce Renfrew, flight director said the International Space Station (ISS) suspended the spacewalk as a precautionary measure and the astronauts were not in any danger. About three hours into the spacewalk, Kopra, 52, reported that his helmet pad was damp and a ball of water had collected in his helmet, prompting Nasa to end the exe