Washington (AFP) – Russian and NASA engineers were assessing a coolant leak on Thursday from a Soyuz crew capsule docked with the International Space Station (ISS) that may have been caused by a micrometeorite strike. The coolant leak forced the last-minute cancellation of a spacewalk by two Russian cosmonauts on Wednesday and could potentially impact a return flight to Earth by three crew members. Russia’s space corporation Roscosmos and the US space agency said the leak on the Soyuz MS-22 spacecraft did not pose any danger to the astronauts and cosmonauts aboard the ISS. “The crew members ab…