POLICE have launched an investigation in Ripon after a large-scale cannabis farm was discovered inside a derelict building.

Officers were alerted to the former Matrix nightclub premises on Kirkgate at 6.16pm last Thursday.

Two people were reportedly seen running away after being disturbed during a routine building check.

An extensive area search was carried out on the evening, including the use of a police drone, without finding the individuals involved.

The Operational Support Unit was called in to search the premises where they found a large-scale and sophisticated cannabis grow.

Police and partner agencies returned to the cordoned-off scene on Friday to carry out a full safety assessment before all the evidence could be gathered as part of the investigation.

While this work is ongoing, officers are appealing for any information about recent suspicious activity or individuals in the Kirkgate area of Ripon.

Any relevant details can be passed onto North Yorkshire Police on 101, select option 1, and speak to the Force Control Room.

If you would prefer to make an anonymous report, contact Crimestoppers on 0800 555111 or go to crimestoppers-uk.org.

Quote reference number 12200163654.