He was arrested on the charges of unauthorised entry and was later remanded by the Negombo magistrate till May 15, police said.
The curfew was imposed on Sunday after a group of miscreants carrying swords attacked some people travelling on a three-wheeler in Porathota area of the town. The vehicle was set on fire.
Forty suspects, including the driver of a van allegedly used by the suicide bombers, have been arrested in connection with the attacks which shook Sri Lanka.
The blasts -- one of the deadliest attacks in the country's history -- targeted St Anthony's Church in Colombo, St Sebastian's Church in the western coastal town of Negombo and Zion Church in the eastern town of Batticaloa around 8.45 am (local time) as the Easter Sunday mass were in progress.
National flags were lowered and people bowed their heads as the silence began at 8:30 am local time, the time the first of the attacks occurred on Sunday.
Seven persons had been arrested in connection with the blasts.
Meanwhile, a three-member committee appointed to probe the attacks that killed 258 people, including 11 Indians, on Monday submitted its final report to President Maithripala Sirisena.
The details of the attackers and their relatives linked to the bombings was released by the police on Wednesday.
The National Tawheed Jamath is suspected of plotting the deadly Easter blasts.
Father Edmond Tillekeratne, social communications director for the Archdiocese of Colombo, said that the blast took place after Easter Mass, and that there were about 30 bodies lying in the area of the church.
A substantial part of a catholic church in northeast Delhi's Tahirpur area was gutted when a fire broke out at its premises on Monday morning with the Christian community suspecting foul play in the incident.
-- Seven suicide bombers believed to be members of an Islamist extremist group carried out the series of explosions. -- Police have so far arrested 24 people - mostly members of an Islamist extremist group - in connection with the blasts
Police arrested three persons who had allegedly vandalised a church in order to fulfil a bet they had agreed upon after having a few drinks in the wee hours of Wednesday in west Delhi's Vikaspuri area.
Scores of members of the Christian community and social activists staged a protest outside the Delhi Police headquarters in New Delhi on Tuesday morning over alleged the police inaction in the case of the fire which on Monday gutted a church in northeast Delhi's Tahirpur area.
"My heart goes out to the families of the victims and the injured," Modi said.
Several people succumbed to their injuries sustained in the blasts, taking the death toll to 359.
'Should the new ISIS leadership opt for a consolidation, the Afghan-Pakistan border would be an attractive place,' warns Brigadier S K Chatterji (retd).
Even as the polity find ways and means to address the genuine concerns and fears of the society, the Sri Lankan State apparatus would have to unravel these mystery-questions with convincing answers, and a road-map to the future, says N Sathiya Moorthy.
We sorted through countless photographs taken around the world to come up with the top photos of 2019. Together these images tell the story of the year -- capturing moments of hope and heartbreak, triumph and tragedy.