All suspects in Sri Lanka bombings arrested or dead: acting police chief

"Curfew has been imposed with immediate effect for Negombo and Kochchikade police areas till 7 am tomorrow", police spokesman Ruwan Gunasekera said.

Riyas Aboobacker has also apparently confessed that he was planning to conduct a suicide blast during the time of Thrissur Pooram.

"I have trust [in] the armed forces and the police of this country to bring normalcy [as] soon as possible", he said.

Sri Lanka's President Maithripala Sirisena speaks during an interview with Reuters at his residence in Colombo, Sri Lanka May 4, 2019.

Catholic schools have also been closed until further notice.

Official sources said the Thewatte National Basilica, just outside Colombo, was the suspected target, and the military deployed hundreds of troops to search the area.

"We have already identified all active members of the group and it's a case of now arresting them", he said.

Schools which were closed for the term holidays were initially scheduled to reopen for the second term on April 22, however the government had chose to keep schools closed the series of bombings in the country on Easter Sunday.

People forgot what happened for 30 years in Sri Lanka, he said, adding that for 10 years they had been enjoying peace and neglected security. Of these, at least 40 are foreigners and 50 are children. About 50 children were among the dead. Mr Povlsen was on holiday with his family at the Shangri-La hotel in the Sri Lankan capital of Colombo when it was targeted by suicide bombers.

Prime Minister Ranil Wickremesinghe said the government will compensate those who lost property in the night-time clashes.

The police have arrested more than 150 suspects, but it is still not clear who the principal authors were.

Some Christian churches, however, said Sunday services would be held as scheduled and security measures would be taken for the safety of the congregation. "Even advanced countries like the U.S., Russia, UK, Germany, India and Australia together haven't been able to completely eradicate this IS global terrorism menace".

On Saturday, the Sri Lankan police asked the public to hand over swords and large knives to the nearest police station after a large haul of weapons, including swords, and camouflaged materials were recovered during searches of mosques and houses.

The clash was the first reported since the Easter bombings of churches and hotels by attackers who had pledged support for the Islamic State group.