https://thenextweb.com/russian/2018/09/04/investigators-havent-ruled-out-sabotage-in-mysterious-space-station-leak/

Russian space chief Dmitry Rogozin yesterday said a leak found aboard a vehicle docked with the International Space Station (ISS) last week was almost certainly caused by a person with a drill. Investigators are now scrambling to determine whether the sabotage occurred while the vehicle was in space.

News broke Monday that the damage to the vehicle, a Russian-made Soyuz spacecraft, wasn’t the result of a meteorite strike as previously believed. According to Russian news agency TASS, Rogozin said: