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Two leaks detected on International Space Station, Russian space agency says

By Thomson Reuters Jun 5, 2026 | 10:16 AM

MOSCOW, June 5 (Reuters) – Russian state space agency Roscosmos said on Friday that ​its experts had detected ‌two leaks aboard the International Space Station (ISS) but that there was no immediate threat to ‌the ​crew.

“When the transition ⁠chamber compartment of ⁠the Zvezda module was pressurised… specialists from the main operational control group for the ​Russian segment of the ISS detected a leak ⁠from the ⁠spacecraft,” Roscosmos said in ​a statement.

The first leak was ​fixed with a hermetic compound ‌while preparations are underway to seal the second leak which is located on the ⁠conical part of the transition chamber compartment, Roscosmos said.

“The situation does ⁠not ‌threaten the safety of ⁠the crew and ​onboard ‌systems – the pressure on ​board the ⁠ISS is stable and maintained at the calculated level,” Roscosmos said.

(Reporting by Reuters; Writing by Guy FaulconbridgeEditing by ​Andrew Osborn)