The president has banned two Muslim groups, the National Thowheed Jamath and the Jamathei Millathu Ibraheem, accused of being behind the attacks,
This follows more raids and arrests across the Island.
On Friday night, police say suspects opened fire and set off bombs during a search, leaving 15 people dead.
Al Jazeera’s Florence Looi reports.
– Subscribe to our channel: http://aje.io/AJSubscribe
– Follow us on Twitter: https://twitter.com/AJEnglish
– Find us on Facebook: https://www.facebook.com/aljazeera
– Check our website: https://www.aljazeera.com/
#SriLanka #EasterAttack #SriLankaAttacks