<h1>Humanitarian crisis deepens as earthquake devastates Myanmar; international rescue teams and aid pledges accelerate relief operations.</h1> A major earthquake struck Myanmar, causing widespread structural collapse, extensive casualties and displacement; rescue teams recovered a lone survivor from hotel rubble in the capital while most operations were finding bodies. The disaster severed power and communications, damaged roads and bridges, and worsened an existing humanitarian crisis, prompting international aid pledges and deployment of search-and-rescue teams amid constrained coordination and limited access to hardest-hit areas.