killed 17-year-old jajuan mcrae on rockport lane in glenn dale on friday night. police believe the teens got into a fight which ended with the deadly shooting. if you have seen jarrett, police want to hear from you. we are learning more about this weekend's foiled terrorist attack on a train in france. authorities say a virginia man mark mugalian wounded as he charged the gunman. three other americans and a british citizen tackled the suspect. spencer stone then rushed to save mark's life. >> i just stuck two of my fingers in the hole, found what i thought was the artery, pushed down and the bleeding stopped. maureen: today they received the legion of honor, france's highest award. mark will receive his medal when he is well enough to leave the hospital. still ahead on "abc7 news at 6:00" -- new fallout about the iran nuclear deal. tonight what the senator from maryland is saying about it. and more comfortable temperatures ahead this week. chief meteorologist doug hill has that next. robert: peyton manning continued to dominate. i'll explain. that and more as "ab