A "minor explosion" triggered an evacuation at London's Southgate tube station on Tuesday evening, police said, adding that a number of people received minor injuries.
A "small number of people" are receiving medical treatment after what British police are describing as a minor explosion at an underground station in north London.
Paramedics have treated three people at the scene and two were taken to hospital for their injuries.
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Las dos adolescentes ingresaron junto con Gregory Guerra, de 17 años, quien logró recuperarse tras inhalar los gases tóxicos. Autoridades indicaron que los heridos están siendo atendidos en el Hospital Pérez Carreño .
People in the area are reportedly being told to stay indoors as officers work to determine the nature of the item.
Twitter user Salamander_Sean said he saw one person being taken out on a stretcher.
London mayor Sadiq Khan tweeted: "The incident at Southgate Tube station has now been confirmed as non suspicious". I was outside the station about to enter the 125 bus.
British Transport Police added that "we do not believe this to be terror related". Cordons are in place and the station is closed. "The Met Police and BTP are working together to establish the full facts".