The tech giant commissioned a probe into the part it may have played, and investigators said incendiary content on Facebook may have led to violence against Muslims.
"We deplore the misuse of our platform," Facebook said in a statement to Bloomberg News after the findings were released Tuesday. "We recognize, and apologize for, the very real human rights impacts that resulted."
At least three people were killed and 20 injured in the 2018 unrest, during which mosques and Muslim businesses were burned, mainly in the central part of the Sinhalese Buddhist-majority nation.