(BBC) – At least 31 people have been killed after a boat carrying Somali refugees was targeted in a helicopter attack off the coast of Yemen, the International Organisation for Migration says. Women and children were among those killed when the vessel was hit near the Bab al-Mandeb strait, the IOM said. Images from the scene showed a boat strewn with bodies. Among the dead were Somali refugees carrying ID documents issued by the UNHCR, the UN’s refugee agency said.