South Ribble Police have identified a trend in the South Ribble area which involves youths wearing ski masks and carrying butterfly training knives.
Police have been responding on the blue lights to incidents involving youths using these in a threatening manner.
This has caused a great deal of panic in the community as it’s not obvious the knives are actually blunt.
Read more: Huge crowd attends Preston for Palestine rally
Police want to take these off the streets in conjunction with the choose life not the knife campaign they deliver to school children.
Police are appealing for knives to be surrendered at one of the local knife surrender bins at Kingsfold Community Center or Leyland Police Station.
Police are asking that parents check that children are not using the knives in public areas.
Police will be using knife wands locally to search for knives or similar offensive weapons, and anyone using one of these in a threatening manner will be dealt with and it could lead to a criminal record.
Police want to take as many knives and offensive weapons off the streets as possible.
If anyone has questions or would like to speak to an officer about knife crime, email 273@lancashire.police.uk
Read more: See the latest Preston news and headlines