We have created an atmosphere for Sinhala, Tamil and Muslim people to live peacefully together. Extremists want to provoke racism and destabilize the country, he said.
He accused certain media of publishing news that promote racism and religious extremism.
Police are carrying out patrolling throughout the day countrywide and are raising public awareness to arrest the situation, he said.
The PM added the government would compensate any religious place harmed by attacks.
He urged all not to protect those involved in such crimes.