An exchange of gunfire during raids in Sri Lanka killed fifteen people, including six children.
The shootout happening at a safe house in the eastern part of the country Friday.
Police say three suspected suicide bombers are among the dead.
The raid followed another at a warehouse where police found explosives and bomb-making materials.
They also reported finding ISIS flags and uniforms.
This comes just days after eight bombings rocked churches and hotels across the country, killing over 250 people.
Officials say the attacks were carried out by well-educated Sri Lankan nationals, linked to the Islamic State.
Authorities now believe around o130 suspects were in the country.
The raid was part of a hunt for those still at large.
Sri Lankan officials have warned against going to religious centers due to the possibility of more attacks.
Muslim worshippers defied warnings, with a small number gathering outside mosques in silent protest.
The local archbishop says mass has been canceled throughout the country until further notice.
Both the U.S. And Great Britain are urging those visiting Sri Lanka to stay off the streets.
Meanwhile ,Sri lanka’s president has used his emergency powers to outlaw two Islamist groups suspected of being behind the suicide bombings.
Authorities could not act earlier to ban the two little known groups without firm evidence they were part of the attacks.