Wednesday, 24 Feb 2021 07:10 AM MYT Maithripala Sirisena, who left office last year, was found to have been negligent by an investigation he set up five months after the Islamic militant attacks on three hotels and three churches on April 21, 2019. — Reuters pic Subscribe to our Telegram channel for the latest updates on news you need to know. COLOMBO, Feb 24 — Sri Lanka’s ex-president and his intelligence chiefs should be prosecuted for failing to prevent suicide bombings two years ago on Easter Sunday that killed 279 people, according to an investigation released yesterday. Maithripala Sirisena, who left office last year, was found to have been negligent by an investigation he set up five months after the Islamic militant attacks on three hotels and three churches on April 21, 2019.