At least 21 deaths have been reported in Thailand. More than half came from the collapsed skyscraper, meant to house the country's State Audit Office.

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.

A major earthquake in Myanmar on Friday has caused more than 1,600 deaths and led to the collapse of numerous structures. Even though the south-east Asian nation is a high risk region for earthquakes, neighbouring Thailand and China - which were also affected by the quake - are not.