The sheriff in Dunn County is looking into a string of mailbox explosions.
Deputies say they got a call about a handful of mailboxes that blew-up in the township of Rock Creek on Saturday. Investigators are not saying what was used to blow the mailboxes up, but they say it was likely fireworks or some other kind of homemade explosive. The sheriff’s office says the explosions are likely not targeted. There aren’t any reports of any injuries.