Tension between the US and Iran has been high since a violent crackdown by authorities on protests that began over Iran's ailing economy on Dec. 28. Trump has drawn two red lines for the Islamic Republic - the killing of peaceful protesters and Tehran conducting mass executions in the wake of the demonstrations

Hasina faced allegations including the murder of Abu Sayed near Begum Rokeya University in Rangpur, the killing of six unarmed protesters in Dhaka’s Chankharpul, and the deaths of six students at Ashulia last year