US Secretary of State Antony Blinken speaks during a meeting. File photo
The trio also condemned North Korea's disregard of multiple UN Security Council resolutions and its deeply destabilizing implications for the region, spokesperson Ned Price said.
Blinken emphasised that the US commitment to the defense of South Korea and Japan remained "ironclad," and reaffirmed the importance of close trilateral cooperation to hold North Korea "accountable for its unacceptable behavior," the statement added.
Pyongyang has been steadily developing its weapons programme amid a standoff over talks aimed at dismantling its nuclear and ballistic missile arsenals in return for US sanctions relief.
The string of weapons drills come as a prolonged hiatus in disarmament talks with the United States drags on, and despite recent overtures from Washington offering help to contain the pandemic.
One ballistic missile was launched about 10:17am local time from the vicinity of Sinpo, South Korea's Joint Chiefs of Staff said, where North Korea keeps submarines as well as equipment for test firing submarine-launched ballistic missiles (SLBMs).
North Korea appears to be pausing its tests during the Winter Olympics in China, its most important ally and economic lifeline. But analysts believe North Korea will dramatically increase its weapons testing after the Olympics.
"Dancing Santa" Ramiro Hinojas brought cheer to commuters and motorists at a busy intersection by showcasing his elaborate dance moves as he guides traffic flow in Manila, known for its notoriously gridlocked roads.
An official described seeing one child with part of his leg missing lying on the hospital floor for several hours, without receiving treatment for lack of medical staff.
The Ruler of Sharjah was briefed on the project, which comes within the framework of developing the electricity production sector system and is SEWGA largest investment in the field of energy in the emirate.
After repeated setbacks in the operation, military engineers and skilled miners are working by hand in a painstaking dig through rock and rubble towards the men using a so-called "rat-hole" mining technique to clear the final stretch.