by Dimuthu Attanayake in SCMP, Apr 9, 2023Almost four years ago, Rupika Rosairo’s two daughters left the family home in Colombo in their Sunday best to attend Easter mass with their grandmother. But that evening, her 13-year-old younger daughter returned home in a coffin. Rosairo’s children were victims of Sri Lanka’s Easter bombings that killed more than 260 people and injured some 400, after eight local Islamist militants blew up three churches and hotels in…