Residents living in Penn and Tylers Green reported hearing gunshots and seeing bright lights and smoke as film crews descended on the village. 

Film crews have been at the Rayners Estate, where the Penn School building is, for the past two days, filming overnight. 

There are orange signs outside the main entrances to the estate and vehicles seen coming in and out. 

It has not been confirmed what is being filmed, but it is rumoured to be a CBS production called Tinkertown. 

Crews were reportedly been using Hazlemere Golf Club as a base for filming at the nearby estate. 

Police were informed about the nighttime filming because there were gunshots, smoke and bright lights being used.