Nasa astronaut hears ‘strange noise’ coming from Boeing Starliner spacecraft – audio

The Nasa astronaut Butch Wilmore reported a 'strange noise' coming from the stricken Boeing Starliner space capsule whose problems have left him and colleague Suni Williams stuck in orbit for six months longer than they anticipated when they blasted off from Earth in June. Wilmore radioed mission control in Houston on Saturday to report a pulsing sound from a speaker inside the capsule. The source of the pulsing noise is believed to have come from a speaker feedback loop between the space station and Starliner

• Nasa astronaut reports strange noise' from Boeing Starliner spacecraft