A ninth explosive device, a six-foot pipe bomb, was found at Colombo International Airport on Monday.
It was successfully defused
Sri Lankan police found 87 bomb detonators at the main bus station in Colombo on Monday, a spokesman said
Seven Lankan suicide bombers involved in Easter blasts; 24 arrested as toll rises to 290
A local outfit identified as the National Tawheed Jamath is suspected of plotting the blasts, a top Sri Lankan minister said
Sri Lanka enforced a state of emergency from midnight.