Metro (WMATA) 11 hours ago ‘Peppery': Burst canister sprays unknown chemical aboard Metro train A canister burst on a Red Line train between Dupont Circle and Farragut North, causing some passengers to get sick. News4 Transportation Reporter Adam Tuss reports. Local 2:18 Travelers at DCA navigate flight disruptions from storm Helene 2:01 Arlington speed cameras begin issuing fines 0:30 Speed cameras giving tickets near Arlington County schools 3:59 Metro planning to run trains in automatic mode for 1st time in 15 years 2:05 Workers, riders rally against DC Circulator shutdown