Update: 1330 hrs
The fire was extinguished by 12:13hrs. Crews in breathing apparatus used two hose reel jets and one main jet. An investigation will be carried out to establish the cause of the fire.
FIRE CREWS are tackling a fire in a second floor flat in William Street, Grays.
The incident commander reports that the flat is completely smoke logged.
Crews are using two hose reel jets and one main jet to tackle the fire.