The collapse of a skyscraper under construction in Bangkok — the lone building to crash during the massive earthquake last week — has become the center of Thai investigations as questions swirl around the construction and quality of the materials used by a joint venture of Thai-Chinese contractors.

A unilateral partial ceasefire to facilitate earthquake relief efforts was announced on Saturday by Myanmar’s shadow National Unity Government, which coordinates the popular struggle against the ruling military.

Rescuers are desperately searching for survivors more than three days after a powerful 7.7-magnitude earthquake struck Myanmar, toppling buildings as far away as the Thai capital Bangkok and sending tremors through nearby Chinese provinces.

With more than 2,000 people dead and thousands injured after a 7.7 magnitude earthquake hit Myanmar and was felt hundreds of miles away in Bangkok, Thailand, collapsing buildings in both countries. The International Rescue Committee (IRC),