U.S. President Donald Trump doubled down on previous comments that Washington would solve problems created by North Korea’s nuclear weapons programs alone if necessary, while also claiming the DPRK was “looking for trouble” via Twitter on Tuesday morning.

The tweets are the latest in a series of hawkish remarks from the new U.S. President, and come after a U.S. Navy carrier strike group was ordered to head for the Korean Peninsula last Sunday.

“North Korea is looking for trouble. If China decides to help, that would be great. If not, we will solve the problem without them! U.S.A.,” one tweet