WINONA, Minn. – The principal at Winona High School ordered a lockdown to get control of a fight involving girls 15 and 16 years old. A schools safety officer broke up the fight. Police were called. A 15-year-old said she was upset at smack-talk about her on the Snapshot social media site. She physically attacked  two other girls, who were trying to walk away. Police ticketed the attacker for disorderly conduct, and principal called her mother to take her home. This was about 1 p.m.