(Bloomington, MN)  —  Police in Minnesota are investigating a shooting at Vietnamese restaurant that left one dead and another person injured.  A man reportedly wearing an old man Halloween mask walked into the restaurant in Bloomington, where he flashed a gun before being removed multiple times.  He later entered a third time and started shooting, hitting a customer several times.  The patron later died of his injuries, with a server also being transported to the hospital with non-life threatening injuries.  The incident remains under investigation.