A Khulna court has sentenced four persons to death for killing a Madrasa student -- Musa Sikder. Judge Md Mashiur Rahman Chowdhury of Khulna District and Sessions Judge's Court pronounced the verdict today in the presence of all the convicts at the courtroom, reports our Khulna correspondent. The convicts -- Amin Sikder, Raheen Sheikh, Raju Sheikh and Nuhu Sheikh – were also