The teens have been banging on doors and also kicking down doors, prompting a warning from police. Police have said that teens have been carrying out what is being described as “pranks” all across the area.
One elderly person, in particular, had their front door damaged by those carrying out the pranks.
This left the owner of the house afraid and in need of repairs for the door.
In a separate incident, another house had the lock damaged, meaning the door was left open – potentially for burglary.
PCSO Sarah Rex, from the Dacorum Safer Neighbourhood Team, said: “It’s really disappointing to think that there are some young people in Hemel Hempstead that are taking part in this irresponsible behaviour.
“We want our young people to enjoy their half-term break, but their actions should not be at the expense of innocent members of the public.
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“We need to draw a line under it right now, and as part of our plan to tackle this issue we will be increasing our neighbourhood patrols in the affected areas.
“We are aware that there may be some further incidents that have not been reported to us, so we would urge anyone who believes they are a victim of this trend to come forward as soon as possible.”
Hertfordshire Constabulary have called on the public to help them out in their investigation into the incidents across the town.
In a post on their website, they said: “You can report information online at herts.police.uk/report, talk to one of our Force Communication Room operators via web chat at herts.police.uk/contact, or call our non-emergency number 101.
“Alternatively you can contact Crimestoppers anonymously on 0800 555 111 or visit their website www.crimestoppers-uk.org.”