The test blew up one of Russia’s own satellites, creating debris that forced the ISS crew to shelter in capsules.https://www.bbc.com/news/science-environment-59299101
Thousands of debris fragments forced the astronauts/cosmonauts (and “taikonauts” in the Chinese-only space station) to shelter in their own separate modules.
“A kind of space madness,” is how one analyst phrased it.
Scientists around the world always have to deal with political maneuvering (i.e., bullshit). (Reference: 2010: A Space Odyssey – The Year We Make Contact).