Dhaka, July 10 -- Audio recordings analysed by the BBC suggest Bangladesh's ex-prime minister Sheikh Hasina ordered a deadly crackdown on protests last year, allegations for which she is on trial. Up to 1,400 people were killed between July and August 2024, according to the United Nations. In the recording, dated July 18, 2024, Hasina is purportedly heard authorising security forces to "use lethal weapons" against protesters". P11...