The governor of Bangkok says authorities are investigating why a high-rise building under construction collapsed during an earthquake that otherwise caused limited damage in the Thai capital.

An initial investigation into the collapse of a government office tower under construction in Bangkok that killed 18 has turned up low-quality construction materials.

Damage in Myanmar's capital Naypyitaw was extensive with collapsed buildings as the death toll in last week's massive earthquake passed 2,800.

As a U.S. team of experts heads to Myanmar to assist in recovery from the devastating earthquake that killed more than 2,000 people in Southeast Asia on Friday, international teams, including those from China and Russia,