My name's Sergeant Els behind him. >> Today we're running Operation Trier, which is a pre Notting Hill carnival event. >> Why are you running away from us? >> Uh the aim of the operation today is to target violent crime. >> Substantial amount of cash. >> Certainly a couple hundred. >> We got ourselves a knife. Okay, mate. We placing you under arrest. with the view of preventing violent offenders from attending Notting Hill Carnival. There's obviously a large amount of issues around drug supply in the leadup to Notton Hill Carnival with the gangs looking to supply um elicit drugs. This is part of the work that we're doing to try and uh combat that. So, one of the offenses that we're looking into today is phone snatching lead up to N Hill Carnival. This is something that we are looking into. Seafane. >> So, we're running events like this and operations to support the Norton Hill Carnival being the exciting, fun, vibrant cultural event. It is uh should you experience anything that may make you feel uncomfortable over the couple of days whilst you're there, there's plenty of police officers belt. Just approach us and we'll see what we can do to help.