Sri Lanka has temporarily blocked social media networks and messaging apps following attacks on mosques and Muslim-owned businesses.
Authorities said the block is a short-term measure to prevent the spread of false information in what is described as the worst unrest since the Easter Sunday bombings.
According to reports, several people targeted mosques and Muslim-owned stores in the coastal town of Chilaw in a dispute that started on Facebook.
Police imposed a night-curfew and detained the writer of the facebook post and several attackers.

Iran rejects Trump's talk of negotiation as Israel and Iran launch airstrikes
No injuries reported as drone attack hits fuel tank at Kuwait's airport
US expected to send thousands more soldiers to Middle East
Philippines works with Washington to obtain oil from US-sanctioned countries
US safety agency says tracking system failed at LaGuardia during jet collision
Russia fires record 948 drones against Ukraine over 24 hours, Kyiv says
Death toll rises to 69 in Colombian military plane crash
One killed, five injured in Bahrain from Iran strikes
