The relevant information is provided on the website of the State Department.
As noted, "the result of the test was the appearance of one and a half thousand noticeable debris in orbit, and since they will remain there for a long time, this poses a threat to space objects and satellites."
“It will also significantly increase the risk to astronauts and the International Space Station, as well as other human activities in space,” Blinken said.
He stressed that the test jeopardized the safety of space researchers.
Earlier, Pentagon spokesman John Kirby said that Russia was allegedly developing anti-satellite weapons that could threaten the United States.