(Austin, MN)  --  Investigators continue looking for suspects after five people were injured in a shooting incident at an event center early Sunday morning in Austin.  Two victims are listed in critical condition.  It happened after a hip-hop event at the Lansing Corners supper club, a one-time diner near Austin. Police are trying to figure out what happened and say it was possibly gang activity.  Witnesses and victims so far are not cooperating with investigators, or claim they didn't see anything.  There have been no arrests.