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Police will be speaking to businesses in Deal High Street after youngsters were spotted on the roof of one of the properties.
A neighbour photographed them standing and sitting over the edge of the roof and circulated pictures on Twitter.
The tweeter claimed the building was 70ft tall and asked police to take action.
Police spokesman Natalie Hardy said: “We received three reports of young people on the roof of a property. Officers in Deal will be speaking to businesses about keeping their property secure.”