“Our trilateral cooperation, in my opinion, is key to achieving our common goal, including the complete denuclearization of the Korean Peninsula, as well as ensuring the free and open regions of the Indian and Pacific Oceans,” TASS quoted him as saying.

In addition, Biden expressed concern about the development of ballistic missiles by North Korea, as well as the potential conduct of a nuclear test.

Earlier, National Security Adviser Jake Sullivan warned that the US authorities would give a strong response to new North Korean nuclear tests.