Wasting little time in attacking DFL candidate Mark Dayton, the Minnesota Republican Party unveiled its first TV commercial of the general-election gubernatorial campaign.

The message: Dayton is “erratic” and “too risky for Minnesota.”

Republican Party chief Tony Sutton showed off the ad to reporters just a few hours after Dayton’s victory was confirmed and called him “vulnerable” as a candidate.

More later on this and the DFL’s news conference at 3 p.m.