Recent incidents:

• A Muslim doctor was accused without evidence of secretly sterilizing 4,000 patients, claims which “are particularly incendiary on an island where hardliners within the Buddhist majority have accused Muslims of seeking to use a higher birth rate to spread their influence,” Reuters reports.
• All 10 Muslim government ministers resigned in protest last weekafter a prominent monk accused three Muslim politicians of links to terrorism. They warned of a dangerous “hate culture.”
• “Since the bombings in April, police have not just randomly arrested Muslims, who are about 10% of the population, but responded lackadaisically to repeated mob attacks against Muslims and Muslim-owned businesses,” per the Economist.

Details: Sri Lanka enacted an emergency law Tuesday, giving police and the military special powers to counter militant strikes.

• It emerged Priyalal Disanayaka, Sri Lanka's deputy inspector general of police, sent a letter on April 11 warning the directors of four Sri Lankan security agencies the NTJ was plotting suicide attacks against churches in Sri Lanka, per AP.
• Among those arrested for the attacks is the driver of a van allegedly used by suicide bombers involved in one of the attacks, AP reports.
• The FBI will assist in the investigation.
• Sri Lanka began a national day of mourning, as relatives began to bury loved ones killed in the attacks.

Go deeper: Sri Lanka's deadliest terror attack ever shakes a delicate balance