Montgomery County December 27, 2019 5:19 pm Man Struck, Killed on I-270 A flatbed truck struck and killed a man who tried to cross I-270 after trying to change a flat tire. News4’s Aimee Cho explains how you can stay safe during roadside emergencies. Local 2:15 DC State Fair celebrates all things local 2:26 The Blackbyrds to perform at Adams Morgan Day Concert 1:55 Bring home a new pet in Leesburg adoption event 0:50 Teen arrested for killing student at Joppatowne High School in Maryland 2:05 Herndon residents return home, chemical threat lifted