UPDATE: Authorities have released additional details on this fire here.
Original story below…
Crews are on the scene of a Tuesday night house fire in Essex.
The fire was reported at about 8 p.m. on Russell Frost Court (21221).
Units arrived to find smoke showing and a fire in a bedroom.
The flames have been doused.
One elderly female was rescued and had been taken to a local hospital in serious condition.
Three police officers were also taken to the hospital with non-life threatening injuries.