Qhov hluav taws kub hnyiab tau tshwm sim ntawm lub tuam txhab tshuaj textile hauv Bangladeshi nroog Gazipu uas nyob ib sab ntawm Capital Dhaka, nws ua rau ib tus neeg ua haujlwm tsoos tsho tuag thiab ntau dua 20 tus neeg raug mob.