Sri Lankan police on Sunday reported there had been a seventh explosion, a few kilometres south of capital Colombo.
This comes after six explosions ripped through three churches and luxury hotels on Sunday, killing nearly 140 people.
Police say the latest explosion was at a hotel near the national zoo in Colombo.

UN rights chief says uncovered remains in Gaza raise concerns of war crimes
Indian police to query Google over 500,000 fake Gmail IDs linked to bomb hoax
Saudi Arabia says danger passed in six cities, including Yanbu
Bahrain, Kuwait, Jordan offer condolences over martyrdom of two UAE servicemen
