Five people have been murdered at a religious retreat in Bangladesh. Police say unidentified attackers stormed the compound of the Abdul Gafur Chishti astana in northern Joypurhat district, killing a caretaker and four cooks. Another caretaker has been arrested. Police say they believe robbery may have been the motive for the attack. A BBC correspondent in Dhaka described the killings as unprecedented and said they have caused widespread shock in the area. Full Story