Six people have been arrested in connection with £300,000 worth of damage at an industrial estate in Chorley.
The group, detained this morning - on Tuesday, May 1, are currently in police custody awaiting questioning.
It comes after teenagers drove diggers at Common Bank Industrial Estate and smashing machinery at Ruttle Plant Hire.
CCTV images captured of the incident show the six individuals entering the secure compound in Ackhurst Road at about 8am on Sunday, April 29 .
All offenders, believed to be aged between 11 and 14, entered and activated a number of diggers with extendable arms which have large metal scoop buckets attached.
They then proceeded to use the diggers and cause extensive damage to large excavators by smashing the metal buckets into the cabs of the plant hire machinery.
The cost of the damage currently stands at £300,000 and is rising.
Police constable Craig McCabe said: "This morning, Tuesday, May 1, police have arrested six people on suspicion of criminal damage.
"They are currently in police custody awaiting questioning.
"I would like to take this opportunity to thank everyone who contacted me and shared our appeal which allowed us to quickly identify and locate those that we wished to speak with."