Cars and a bus were set on fire and families were driven from their homes after a stabbing caused tensions to spill onto the streets.

© Peter Morrison/Associated Press

There was unrest in Belfast and elsewhere after video of a brutal stabbing circulated online, amplified by far-right activists.

© Peter Morrison/Associated Press

Hundreds of Kenyans have marched through the streets to oppose a quarantine facility that would be reserved exclusively for American patients.

© Luis Tato/Agence France-Presse — Getty Images