National Security Council took the decision of emergency in a meeting to empower the security forces and to ensure public security. The meeting also decided to declare Tuesday as a national day of mourning.
The security situation remains tense as a van carrying explosives was diffused near the Colombo church, which faced an attack on Sunday.
Other explosive detonators were recovered in a market area as security agencies keep frisking sensitive areas to thwart repetition of attacks on Sunday which killed around 300 people.
Earlier, the government said that a local religious group National Tawheed Jamaath is behind the attacks but such a small local group cannot organise attacks at such a level.
Most of the shops and business establishments in Colombo and other areas remain closed and night curfew will be in place from 8 PM to 4 AM.
Addressing a press conference, cabinet minister and government spokesman Rajitha Senaratne said the international support behind the attacks is being investigated and they are trying to ascertain how suicide bombers were prepared. The minister said there were inputs from international intelligence agencies earlier warning of such suicide attacks and expressed regret that it could not be avoided. The minister also added that detailed security checks out is being carried out at all sensitive places across the country as there are inputs of more such attacks.
Sri Lankan police have arrested 24 local suspects for involvement in serial blasts across the country on Sunday. Death toll rises to 290 with around 500 injured.
Prime Minister Ranil Wickremesinghe said Sri Lanka’s government was aware of information regarding a possible attack adding they will look into why adequate precautions were not taken.
Sri Lankan PM Wickremesinghe said the names that have come up are local, but investigators will look into whether the attackers had any overseas links. Sri Lankan President Maithripala Sirisena has announced the appointment of a special committee led by retired Supreme Court judge to investigate the attacks and submit its report within two weeks.
Sri Lankan police have confirmed the involvement of suicide bombers at four locations in the country.
Meanwhile, police curfew imposed across the country on Sunday has been lifted. The government has imposed a ban on social media platforms like Whatsapp and Facebook to avoid rumours.
Among other incidents, an Improvised Explosive Device was detected and diffused near the departure area of Bandaranaike International Airport (BIA) last evening. Security has been tightened at all sensitive places across the country. Schools will remain closed till Monday while Universities have been instructed to close down till further notice.
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The report released by the UN labour agency International Labour Organization (ILO) said that in 1984, at least 30 tons of methyl isocyanate gas, which was released from the Union Carbide pesticide plant in Bhopal, affected over 600,000 workers and nearby inhabitants.
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