The United States and South Korea went ahead with large-scale joint aerial drills on Monday, a move North Korea had said would push the Korean peninsula to “the brink of nuclear war”, ignoring calls from Russia and China to call them off. North Korea’s Committee for the Peaceful Reunification of the Country called US President Donald Trump “insane” on Sunday and said the drills would “push the already acute situation on the Korean peninsula to the brink of nuclear war“. Chinese Foreign Minister Wang Yi said on Monday that after two months of relative calm on the Korean peninsula, the resurfacing of tensions was regrettable