Fernley High School went on lockdown Tuesday morning after residents reported seeing a man carrying a rifle in the area of the school.Between 8 and 9 a.m., the Lyon County Sheriff’s Office received a report of a young man in a residential area to the southwest of Fernley High School carrying a rifle. Deputies made contact with a second witness who reported the man was walking toward the high school. Deputies then notified officials at the high school, who ordered the school into lockdown, Lyon County Sheriff’s Office Captain Albert Torres said.The school went on lockdown around 9 a.m. and …