Live coverage: 400th Proton rocket takes off with Russian satellite

Two NASA astronauts and an Italian flight engineer are sheltering in the space station’s Russian segment as mission control analyzes a possible leak of toxic ammonia coolant aboard the complex.

With an absence of fanfare amid coronavirus safety protocols, an upgraded Russian Soyuz rocket making its first piloted flight blasted off from Kazakhstan Thursday carrying two cosmonauts and a NASA astronaut on a speedy four-orbit trip to the International Space Station.

SpaceX’s Dragon supply ship reached the International Space Station on Wednesday, with astronaut Jeff Williams grappling the unpiloted spacecraft with the research lab’s robotic arm at 6:56 a.m. EDT (1056 GMT) after an automated rendezvous.