MANKATO-August 21, 2012-(KMKO)-A Mankato woman faces several charges for a fight while celebrating her 19th birthday.  Ashley Christine McCann was charged in Blue Earth County Court yesterday.  She faces one count of obstructing the legal process by interfering with a peace officer, two counts of fifth degree assault and one count of minor consumption.  The charges stem from an incident on Saturday.  A warrant has been issued for McCann's arrest.