Bystanders hailed as 'heroic' after intervening in brutal knife attack by Sudanese migrant in UK

A man in his 40s was hospitalized with serious injuries after a brutal knife attack in Northern Ireland, as police arrested a Sudanese migrant on suspicion of attempted murder. 

The attack happened shortly after 10:30 p.m. Monday in north Belfast, according to the Police Service of Northern Ireland. The victim suffered serious injuries to his face, neck, back and eyes, while police said they recovered what they believe was a kitchen knife at the scene.

Video circulating online appeared...