Mountain rescue called out in search for Clitheroe man missing for nine days
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He was last sighted at around 4pm in the Bull Hill area of Darwen, on the same day and has not been seen since.
Police have carried out extensive searches in the Darwen and Belmont area since that day and officers continue to make efforts to identify any leads that will direct them to his safe return.
Today, police were supported by teams from Mountain Rescue and Mountain Rescue Search dogs.
A police spokesman said: "Over 30 volunteers carried out searches in the area of A666 towards Belmont, an extensive area of ground was covered on foot by extremely experienced and dedicated people. We would like to thank all our partners and local residents for their support in this missing person enquiry.
"We would also like to take this opportunity to appeal to everyone in the Darwen/Belmont area to continue to check their sheds, garages and outbuildings in the event he has taken shelter. "If you have any dashcam footage or CCTV that you may think is relevant please contact us on 101. All efforts are greatly appreciated to help find Zbigniew and to reunite him with his family."