Bangkok

A mushroom cloud of dust and debris swept through the streets of northern Bangkok on Friday as panicked residents ran for their lives after an under-construction skyscraper came crashing down following a powerful earthquake.

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Meanwhile, a shallow 7.7-magnitude tremor hit northwest of the city of Sagaing in central Myanmar in the early afternoon and was followed minutes later by a 6.4-magnitude aftershock.

Junta chief Min Aung Hlaing said 144 people had been killed, with 732 confirmed injured, but warned the toll was "likely to rise". Eight deaths have been confirmed so far in Thailand, with more expected. Workers in hard hats and orange hi-vis jackets were engulfed by dust as the concrete stack fell, with dozens who couldn't get away trapped under the rubble.