Sri Lanka falls silent mourning victims of Sunday's bombing horror
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Sri Lanka marked a national day of mourning on April 23, as people observed a three-minute silence at 8:30 a.m. local time as a tribute to victims of the devastating terrorist attacks. /Getty Images

Sri Lanka marked a national day of mourning on April 23, as people observed a three-minute silence at 8:30 a.m. local time as a tribute to victims of the devastating terrorist attacks. /Getty Images

On a day of mourning, mass burials of victims took place in Negombo, the site of the deadly St. Sebastian church blast. In Columbo, white funeral flags can be seen fluttering outside buildings across the country’s capital. /Getty Images

On a day of mourning, mass burials of victims took place in Negombo, the site of the deadly St. Sebastian church blast. In Columbo, white funeral flags can be seen fluttering outside buildings across the country’s capital. /Getty Images

Sri Lanka's PM said Tuesday he believes Easter Day attacks had links to ISIL, while initial investigations showed the attacks were in retaliation for last month's Christchurch mosque shootings in New Zealand, according to Sri Lanka's minister of defense. /Getty Images

Sri Lanka's PM said Tuesday he believes Easter Day attacks had links to ISIL, while initial investigations showed the attacks were in retaliation for last month's Christchurch mosque shootings in New Zealand, according to Sri Lanka's minister of defense. /Getty Images