Murphy High School in Mobile was under lockdown Tuesday after a parent and three of his friends got into a fight with a student.Mobile County Public School spokeswoman Rena Phillips confirmed the incident and gave a few details into what led to the altercation.Phillips said that a father of a student had been called to Murphy High School to meet with an assistant principal. The parent arrived at the school with three other adult males.Read more www.al.com/news/mobile/index.ssf/2017/05/dad_three_friends_f