US general concerned by China's hypersonic weapon

The top US military officer has expressed strong concern about China's suspected hypersonic weapons test, calling it a "very significant event."

The Financial Times reported earlier this month that China carried out tests of a nuclear-capable hypersonic missile in August. The article said the missile flew through space, circling the globe before cruising toward its target on the ground.

The Chairman of the Joint Chiefs of Staff, General Mark Milley, told reporters, "What we saw was a very significant event of a test of a hypersonic weapon system. It is very concerning."

Milley drew a comparison with the announcement by the former Soviet Union in 1957 that it had launched the world's first satellite, Sputnik. He said he thinks "it's very close to that," and "it has all of our attention."

A hypersonic missile travels at about five times the speed of sound with the ability to maneuver in flight, and is believed to be harder to intercept. The US Defense Department said last week that it had conducted a series of tests related to such weapons.