Key Facts: Dipu Chandra Das, 27-year-old Hindu factory worker, beaten to death by mob in Mymensingh over blasphemy claims, body hung from tree & torched.​ Bangladesh interim chief Muhammad Yunus confirms Rapid Action Battalion arrested 7 suspects aged 19-46, including Md. Limon Sarkar & Ershad Ali.​ Happened amid riots after student leader Sharif Osman Hadi's death; Yunus slams it as heinous, vows no mercy for killers.​ Govt condemned violence Friday, says no room in "new Ban