Last year, police officers raised concerns about the "aggressive" tactics used by some "chuggers" who ask people to make regular donations to charities.

BBC: Controls possible for Shrewsbury 'chuggers'

Pride Hill in Shrewsbury has reportedly become a hot-spot for collectors, sometimes referred to as "chuggers" or "charity muggers", who ask people to make a regular donation to charity.

BBC: Controls possible for Shrewsbury 'chuggers'

Meanwhile, Conservative Paul Uppal complained that "aggressive tactics" used by street charity collectors - known as "chuggers" - put shoppers off from visiting high streets in his Wolverhampton South West constituency.

BBC: MPs urge action to tackle high street decline

Often the response to chuggers (a term meaning Charity Muggers, used to describe collectors who operate on the street, signing up shoppers for direct debit to a charity) varies between abuse and being ignored.

CNN: Face to face charity