Bangladesh protest: Students call for march to force PM to quit ReutersAt least 91 killed in Bangladesh protests as curfew and internet blocks imposed CNNAt least 300 dead, curfew back: Why have protests and violence returned to the streets of Bangladesh? The Indian ExpressSheikh Hasina: Bangladesh’s protesters want their PM to go. Can she hold on? BBC.comExplainer-Why are there protests in Bangladesh again? Yahoo! Voices