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 has the ability to hit the U.S. with conventional weapons; compromise U.S. infrastructure through cyber attacks; and target its assets in space, the Annual Threat Assessment by the intelligence community said,

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,