There was a weekend fire nearby the Danbury Hospital field testing site.  Danbury Police working the testing site detail on Hospital Avenue were alerted to a structure fire on nearby Locust Avenue Saturday afternoon.  Firefighters were dispatched while police and Nuvance Health Danbury Hospital Paramedics raced to the incident and confirmed a working blaze.  Firefighters quickly extinguished the flames in a 2-story multi-family residence.  All occupants were able to escape without injury.  The Danbury Fire Marshal's Office is investigating the cause, which is currently undetermined.