The latest on Sri Lanka's bombing investigation

12:48 a.m. ET, April 25, 2019

What we know about the bombers: Two sons of a wealthy spice mogul, another studied in UK

Two of the suicide bombers involved in the Easter Sunday attacks in Sri Lanka were members of a prominent and wealthy family in Colombo, sources have told CNN.

The brothers, Imsath Ahmed Ibrahim and Ilham Ahmed Ibrahim, were among the band of extremists who blew themselves up in Sunday's attacks, two sources with knowledge of the investigation said.

Their father, Mohamed Ibrahim, is the founder of Colombo-based Ishana Exports, which describes itself on its website as the "largest exporter of spices from Sri Lanka since 2006." Authorities have not announced any charges against him.

A third suicide bomber, has been named as Abdul Lathief Jameel Mohamed. British security sources told CNN that he had studied in the South East of England in 2006-2007.

Read more here.

12:25 a.m. ET, April 25, 2019

Sixteen people have been arrested for 'suspicious behavior'

A Sri Lankan police spokesperson said this morning that 16 people had been arrested from "a number of areas." The arrest locations stretch from the east to west coasts of the island nation.

At least one suspect was accused of having a terrorist link. Others had weapons and walkie-talkies seized.

It is not clear whether the 16 are an addition to the 60 apprehensions announced yesterday.