Title Natural gas leak closes off large swath of downtown London Wed, 2025-07-02 12:40 The London Free Press A large swath of downtown London was blocked off on Wednesday morning due to a natural gas leak, fire officials say. London Free Press, Buildings, Department, downtown, Downtown London, Fire, Gas, Gas leak, Local News, London, London downtown, London Fire Department, Media, Natural Gas, News, north, Realtime, social, Social media, traffic, Wednesday