Sri Lanka's army chief says other groups of Islamic extremists could be operating in the country independent of the one that carried out Easter Sunday bomb attacks. Lt. Gen. Mahesh Senanayake said "There could be other groups, definitely.'' He said the army is investigating the possible groups. More than 250 people were killed in the coordinated attacks. from World News Headlines, Latest International News, World Breaking News - Times of India http://bit.ly/2JpgJvI