I got shot at today.

I was looking at some old 911s in a field I was interested in buying. I had looked at these ars twice before (
http://forums.pelicanparts.com/porsche-911-technical-forum/507429-stumbled-across-4-5-old-911s-field-5.html ). When I went back today, to take another look, I was shot at 3 times before I ran away...
Should I call the police?