On Friday, at least 15 people, including six children, were killed in bomb blasts and gunfire as Sri Lankan security forces closed in on a low-slung house in the seaside Sri Lankan town of Sainthamaruthu, The Washington Post reported.
Sri Lankan President said close relationship between drug trafficking and extremism, efforts to eradicate drug trade may have been a reason for bomb attacks.
Clearing on the suspected explosion near Savoy cinema in Colombo on Wednesday, the deputy defence minister said that it was a controlled blast carried out by Sri Lankan police.
Meanwhile, police spokesman Ruwan Gunasekera on Monday confirmed that 24 people have been arrested for their involvement in the island's bloodiest attacks in a decade.
People from at least eight countries were killed in the series of attacks on churches and hotels in Sri Lanka, including five citizens of Britain, three Indian nationals, three Danes, two each from China and Turkey and one each from Netherlands and Portugal, reported CNN.
"Strongly condemn the horrific blasts in Sri Lanka. There is no place for such barbarism in our region," he tweeted.
The explosions were reported as hundreds of worshipers gathered at the St. Anthony's Church in Kochchikade, Kotahena, St. Sebastian's Church in Katuwapitiya in Katana, and a third one in Batticaloa to commemorate Easter Sunday.
Serial bomb blasts rocked Sri Lanka amid Easter celebrations, state media reported on Sunday. Sri Lankan news agency, News First, reported that explosions were heard near St. Anthony's Church in Kochikade, St. Sebastian's Church in Katuwapitiya, Shangri La hotel, Cinnamon Grand Hotel, and a church in Batticaloa.
Sri Lankan news agency, News First, reported that explosions were heard near St. Anthony's Church in Kochikade, St. Sebastian's Church in Katuwapitiya, Shangri La hotel, Cinnamon Grand Hotel, and a church in Batticaloa.