Sumon Sikdar Musa, a key suspect in the killings of Motijheel Awami League leader Jahidul Islam Tipu and college student Samia Afnan Jamal Prity, has been arrested in Oman, said police.
His pursuance of a murder case filed after the killing of a close aide was one of the reasons behind Awami League leader Zahidul Islam Tipu murder, said Rab.