Full coverage: Chinese Premier Visits Laos, Attends East Asia Summit

A three-day summit of the Association of Southeast Asian Nations leaders opens today in the Lao capital Vientiane.

US President Barack Obama, Chinese Premier Li Keqiang, and Japanese Prime Minister Shinzo Abe are also attending the meetings.

The ASEAN Plus Three Summit with China, Japan, and South Korea will also be held in Vientiane in the following days.

US President Barack Obama has announced a three-year plan to provide 90 million US dollars. The money will help Laos clear unexploded mines. Over 20,000 people have been killed or injured by these explosives.

Lao authorities say the U.S. dropped over 270 million cluster munitions in the Southeast Asian nation between 1964 and 1973. One-third of these bombs have not exploded.

Obama has also warned DPRK that its weapons tests would deepen the country's isolation. DPRK test-fired three ballistic missiles on Monday. These weapons can hit targets as far as 13-hundred kilometers away.