(Portland, OR)  --  Things are getting back to normal at a Hillsboro school today after police burst into a classroom with weapons drawn.  The Hillsboro Police Department says officers entered a classroom with guns raised at Liberty High School Monday on reports that a student inside had a firearm.  KATU reports there was an argument between two students that involved one of the students claiming to have a gun.  A student reportedly texted their parent, who called police.