Southeast Asian leaders are meeting at an annual forum that will focus on the civil war in Myanmar and territorial tensions in the South China Sea, two challenges that have long tested the bloc's credibility.

A US delegation led by Secretary of State Antony Blinken will raise concerns with Asian leaders over growing South China Sea tensions and the civil war in Myanmar at a regional summit in Laos.Blinken’s attendance at the Association of Southeast Asian Nations summit this week is one of his last opportunities to convey Washington’s regional interest in person ahead of the November presidential election in the US.

Secretary of State Antony Blinken will represent the United States at the Association of Southeast Nations (ASEAN) summits in Laos this week and expects to discuss human rights in Myanmar, China's "irresponsible" behavior in the South China Sea and Ukraine,