Police have said they are "working to respond" to reports of anti-social behaviour and drug-related activity in an area of Borehamwood.
Officers say both residents and businesses have approached them with concerns about the Manor Way area of the town.
On the afternoon of Wednesday February 10, police say they were called to reports of youngsters on bikes and scooters weaving in and out of traffic.
Police attended and a 13-year-old boy was arrested on suspicion of theft of pedal cycle, assaulting an emergency worker and a public order offence.
He has since been released under investigation.
In a statement on Hertsmere Police's Facebook page, PC Mitchell Holloway said tackling "emerging" issues in Manor Way is a focus for the safer neighbourhood team in Borehamwood.
PC Holloway said: "We have received a number of reports of drug related activity and anti-social behaviour in the area of Manor Way shops. These incidents have been reported by various members of the community, including local businesses and residents.
"I would reassure people that this emerging issue is being investigated and is a focus for the Safer Neighbourhood Team. We will be regularly patrolling the area around Manor Way, Ripon Park, Monkswood Gardens and Paxton Court.
"We will also be actively engaging with the young people who are congregating in this area to divert them away from anti-social behaviour.
"We would urge residents and business owners to contact us via the non-emergency number, 101 to report anti-social behaviour or using 999 if a crime is in progress."
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