Sri Lankan security officials have warned that the Islamist militants behind Easter Sunday's deadly suicide bombings were planning more attacks imminently, using a van and bombers disguised in military uniforms. "There could be another wave of attacks," the head of ministerial security division, a unit of the police, said in a letter to lawmakers and other security sections, seen by Reuters on Monday.

from Times of India https://timesofindia.indiatimes.com/world/south-asia/sri-lanka-on-alert-for-attacks-by-terrorists-disguised-in-uniforms/articleshow/69093159.cms