Mankato (KMKO)-It was a busy Memorial Day weekend for the Minnesota State Patrol in the Mankato area.  During the holiday period that lasted Friday night through Tuesday morning, 17 collisions were reported.  There were two injury crashes, but no fatalities.  Three drivers were cited for driving while intoxicated.  The Click It or Ticket seat belt enforcement campaign is still in effect, with law officers working extra shifts through June third.