Knifeman hunted after four victims stabbed in the back

A major manhunt is under way after a knifeman stabbed four people in the back at random in north London.

from UK News - The latest headlines from the UK | Sky News http://news.sky.com/story/edmonton-stabbings-knifeman-hunted-after-four-victims-stabbed-in-the-back-in-north-london-11680353