This was reported by RIA Novosti with reference to the press service of Roscosmos.

"Russian cosmonauts Pyotr Dubrov and Anton Shkaplerov have found a possible last air leak in the intermediate chamber of the Zvezda service module of the Russian segment of the ISS," the statement said.

Earlier, the head of Roscosmos, Dmitry Rogozin, said that spacecraft would soon begin flights according to a single-turn scheme, which would make it possible to get to the ISS in one and a half to two hours.