https://motherboard.vice.com/en_us/article/kzymva/russia-space-chief-suggests-international-space-station-leak-could-be-sabotage

Dmitry Rogozin, the newly appointed head of the Russian space corporation Roscosmos, suggested on Monday that a leak detected at the International Space Station (ISS) may have been an act of sabotage. Rogozin claimed during a press conference that “a wavering hand” was possibly responsible for the puncture, and asked: "What is this: a production defect or some premeditated action?"

The leak was detected last Wednesday by ground controllers in Houston and Moscow, while the ISS crew was asleep. Since it posed no immediate threat, the ground team waited until the crew woke up to inform them. On Thursday, the astronauts and cosmonauts tracked down the puncture to the Russian Soyuz MS-09 capsule docked to the ISS. The two-millimeter hole in the hull of the spacecraft, which is responsible for ferrying humans to and from Earth, was patched with tape, and then sealed twice with epoxy.