Fraudsters are targeting the city with fake charity activity to steal clothes and money.
Organisations have been distributing clothing recycling bags with Cystic Fibrosis Trust’s old logo, top, without the charity’s agreement.
Genuine collection bags used by the charity carry the logo above.
The charity, which uses a new logo aid it was working with the police to prevent people being scammed.
The trust is asking for people to provide information about the fake sacks by emailing firstname.lastname@example.org