According to government spokesman Rajit Senaratne, the first reports of a possible terrorist attack came from foreign intelligence services on April 4.
Then foreign intelligence agencies re-sent warnings a few days and hours before the attack.
According to the Minister of Economy of the country Harsha de Silva, the warnings were sent by the special services of the USA and India.
“They said something terrible would happen,” he said.
It is noted that the Ministry of Defense and the Sri Lankan Police Service informed about a possible attack by the country's security services.
A series of explosions occurred in hotels and churches of Sri Lanka on April 21, killing at least 290 people, hundreds were injured.