Occasionally you just don't know your local councillor

http://www.suffolkfreepress.co.uk/news/latest-news/parish-chairman-amassed-enough-weapons-for-a-small-war-1-7223010

You also don't know when anti tank weapons may come in handy. Would slow the speeding cars down, bit better than a speed gun.

And there's more...

http://www.theguardian.com/uk-news/2016/feb/19/biggest-hoard-of-illegal-firearms-found-in-secret-room-in-late-parish-councillors-house