Reports of cosmonauts smelling burning plastic
A smoke alarm has been set off in the International Space Station.
Russia's space agency says it sounded on one of its service modules.
Reports also suggest cosmonauts smelled burning plastic.
All systems are said to be working properly.
A spacewalk planned today is due to go ahead.
Smoke detected in Russian module on space station - Roscosmos https://t.co/aXJds9iBdA pic.twitter.com/t9duVmnhQT
— Reuters (@Reuters) September 9, 2021
