The father of two of the suspected Easter suicide bombers was arrested Thursday on suspicion of aiding his sons, Sri Lanka's prime minister said, as businesses and religious leaders worried about a new attack four days after blasts killed more than 350 people. Across Colombo and in Negombo, the seaside city north of the capital where a bombing killed 110 people, residents and office workers stayed indoors and closed up shops, leaving both cities unusually quiet.

from Times of India https://timesofindia.indiatimes.com/world/south-asia/father-of-suspected-easter-bombers-arrested-colombo-on-edge/articleshow/69044606.cms