(Hazel Dell, WA)  --  Clark County authorities say a woman has been arrested after she struggled with a deputy over his gun and caused it to go off.  Officials say the woman was pulled over in Hazel Dell yesterday for erratic driving, and she reached for the deputy's gun and pulled the trigger.  No one was hit by the gunfire, and the woman was arrested.  She's been identified as 33-year-old Jessica Farias, who's facing a charge of first-degree assault.