Police to use knife arches at Notting Hill Carnival

Metal-detecting knife arches are to be installed for the first time in parts of west London for this weekend's Notting Hill Carnival.

from UK News - The latest headlines from the UK | Sky News http://news.sky.com/story/notting-hill-carnival-2018-metal-detecting-knife-arches-to-be-used-for-the-first-time-11480566