The top U.S. commander in the Pacific warned senators Thursday that the military support that China and North Korea are giving Russia in its war on Ukraine is a security risk in his region as Moscow provides critical military assistance to both in return.

Two senior U.S. military leaders focused on the Indo-Pacific detailed to lawmakers what Russia is offering to their partners — North Korea and China — in exchange for aid for the war in Ukraine. “It’s a transactional symbiosis where each state fulfills the other state’s weakness to mutual benefit of each state,