Reports about it Ada Derana.
As noted, the curfew was introduced in the areas of Kalmunai, Chavalacade and Samanturaya.
Earlier in Sri Lanka, in connection with the bombings, another 20 people were detained.
On April 21, a series of explosions occurred in Catholic churches and five-star hotels in the country.
According to recent data, as a result of the attacks killed 253 people.