Up to 18 family members of the suspected mastermind behind Sri Lanka’s deadly Easter Sunday suicide bombings are missing and feared dead, according to the suspect's sister.<br /><br />She told CNN some of her relatives had died since the bombings and subsequent shootout with police last Friday. <br /><br />Police sources told Reuters that the suspect's father and two brothers were killed when security forces stormed their safe house last week.<br /><br />The bombings, which targeted churches and hotels across the island, killed at least 250 people, while leaving at least 500 injured.
