Sri Lanka’s President marked the 10th anniversary of the end of the civil war with Tamil rebels on Sunday by vowing to crush Islamist militants responsible for Easter bombings that killed 258 people.

Maithripala Sirisena said Sri Lankan security forces and intelligence units could use their experience in defeating separatist Tamil guerrillas a decade ago to meet the new challenge from religious extremists.

“We have been able to arrest all those who were behind the Easter attacks. Some have been killed in confrontations. This gives me confidence that we can completely eliminate the threat from international terrorism,” he told a commemoration ceremony.