In contract to sell - Tree Fell - Attorney contacted me

[Milan Obradovic]

Hey BP, I am hoping to get some advice. I have a vacant land property in contract to sell. During the last storm, a tree fell onto the neighboring parking lot and totaled a car. The owner of the vehicle contacted me initially asking for money to repair the car. I told him to go through his insurance as the tree was in good standing and I was never notified of a problem, as well as me clearing out the whole lot last spring and having pictures and proof that I did my maintenance. Turns out he owes money on the car and does not have comprehensive insurance. Now he found an attorney to contact me for the damages. Ive yet to call the attorney to see what they want, but my real concern is can they mess up my agreement of sale or stall that process? Any advice would be appreciated. Thank you