ISS leak repair prompts precautionary crew sheltering (heise.de)

• Two Russian cosmonauts attempted repair of a known leak in the Zvezda module.
• Five ISS crew members were ordered to take shelter in a Dragon capsule as a precaution.
• The PrK tunnel leak has been ongoing since 2019; a new pressure drop was detected in May 2026.
• Repairs were paused; additional data collection is underway.

"On June 5, 2026, two Russian cosmonauts conducted repairs on a leak in the ISS Zvezda module. As a precaution, NASA ordered five crew members to shelter in a SpaceX Dragon capsule. The leak, first detected in 2019 and increased in 2024, was found to be leaking again in May 2026. Repairs were paused for further data collection."