The incident occurred on an property within the Falkirk space at round 10.10am on Monday.
Police Scotland stated two males suffered critical accidents and had been pronounced useless on the scene.
Two different males additionally suffered accidents which aren’t believed to be life-threatening.
One was taken by ambulance to the Edinburgh Royal Infirmary, whereas the opposite was airlifted to Glasgow‘s Queen Elizabeth College Hospital.
Police stated enquiries to determine the total circumstances are being carried out and the Well being and Security Government (HSE) has been knowledgeable.
Chief Inspector Damian Armstrong, the native space commander for Falkirk, stated: “My ideas and sympathies are with the households of these affected by this incident and a multi-agency inquiry on the farm is ongoing.
“If anybody believes they’ve any related info that could be of use to this investigation then please come ahead and quote incident 1081 of 6 Might.”
The property the place the incident occurred lies off the A803, between Linlithgow and Falkirk.
Native street closures had been put in place whereas the emergency providers attended.
A fireplace service spokesperson stated: “The Scottish Hearth and Rescue Service responded at 10.11am on Monday with emergency service companions to a farm within the Falkirk space following studies of a collapsed wall.
“Operations management mobilised various fireplace home equipment to the Whitecross space.”