A high-rise building still under construction in Bangkok collapsed after a powerful 7.7 magnitude earthquake rocked Thailand and neighbouring Myanmar on Friday. The Thai prime minister declared a state of emergency in the city and at least 43 workers are trapped under the rubble.

Authorities say a high-rise building under construction collapsed after a 7.7 magnitude earthquake rocked Thailand and neighboring Myanmar and possible casualties are not yet known. A dramatic video circulated on social media showed the multi-story building with a crane on top collapsing into a cloud of dust,

Authorities say a high-rise building under construction collapsed after a 7.7 magnitude earthquake rocked Thailand and neighboring Myanmar and possible casualties are not yet known. A dramatic video circulated on social media showed the multi-story building with a crane on top collapsing into a cloud of dust,