Riots gripped the Northern Irish city earlier this week following a knife attack by a Sudanese national

Politicians and law enforcement officials in Northern Ireland appealed for calm on Wednesday after a night of anti-immigrant rioting forced people from their homes.

A second night of unrest — triggered by a Sudanese man’s alleged knife attack on a man in the middle of a Belfast street — leaves 12 officers injured and 16 rioters in custody.

An anti-racism was held in Belfast following days of unrest in the city