"Police should question the former President immediately," MP Ganesan told journalists.

"The whole world is waiting to find out who was behind the Easter Sunday attacks. Therefore, Sirisena should be made to reveal all details," he added.

MP Kavinda Jayawardene said they have already lodged a complaint with the CID against Sirisena.

"We want the former President arrested immediately and produced before courts," he said.

The MPs said they have already discussed the issue with the church leaders in Sri Lanka.

DM