Ethnic violence set off by the assassination of a popular singer has been supercharged by hate speech and incitements shared widely on the platform.
Gunmen shot into a crowd and threw hand grenades, in the country's northeastern Assam state. The government blamed separatists.
Just days after the high profile killing of the son of a prominent Burundian human rights activist, Rawanda's President Paul Kagame urged Burundi to avoid reverting to the ethnic violence that engulfed both countries in the 1990s.
Called Umati, or “crowd” in Swahili, the program monitors dangerous speech on Twitter and Facebook.
Anti-government demonstrators reportedly formed lynch mobs on Thursday as clashes with suspected government supporters in the streets of Bujumbura turned deadly.
Violence is worsening in South Sudan amid fears that ethnic killings are "spiraling out of control" and calls for sanctions grow.
The Red Cross calls for an immediate end to South Sudan killings and the UN warns that civilians have been deliberately attacked.