Police issue knife warning ahead of Notting Hill carnival

Knife warning to Notting Hill troublemakers Police patrolling this weekend's Notting Hill carnival will deploy knife scanner arches across the tube network, carry metal detector wands and use special dog units to create a "hostile environment" for criminals, a senior Scotland Yard detective said yesterday. Video surveillance officers will also scrutinise live CCTV footage of the annual west London street party to pick out known criminals and troublemakers among a crowd of around 750,000. Deputy Assistant Commissioner Chris Allison, who is in charge of policing, said a handful of arrests had already been made during 24 raids in the run-up to this weekend and a number of knives and a gun with ammunition recovered. "We are trying to make the carnival a hostile environment for anyone who wants to go to commit crimes and... [read full story]