The death toll from the Easter Sunday bombings in Sri Lanka has risen to 310, with over 500 still being treated for their injuries.
Police have arrested 40 suspects, including the driver of a van allegedly used by the suicide bombers and the owner of a house where some of them lived.
The Sri Lankan government has blamed on a previously little-known local terror group National Thowheeth Jama'ath.
A state of emergency is currently in place that gives the Sri Lankan military war-time powers.
President Maithripala Sirisena has declared Tuesday as a day of mourning.