China remains the main threat to the United States globally but of increasing concern is its closer cooperation with Russia, Iran and North Korea, said an annual US intelligence report released Tuesday.

China remains the top military and cyber threat to the U.S., according to a report by U.S. intelligence agencies published on Tuesday that said Beijing was making "steady but uneven" progress on capabilities it could use to capture Taiwan.

China remains the United States' top military and cyber threat, according to a report by U.S. intelligence agencies published on Tuesday. China has the ability to hit the U.S. with conventional weapons,