At least 20 killed in accidental blast in Sri Lanka - police
"Twenty people have been killed, including two foreigners," a spokesman at the Media Centre for National Security told Reuters on customary condition of anonymity.
He had initially said the explosion came from a police ammunition dump, but later reports were not clear on the location.
(Reporting by Ranga Sirilal and Shihar Aneez; Writing by Bryson Hull; Editing by Sugita Katyal)