Shortly before 3:oopm firefighters responded to a structure fire at 540 Woodside Ave. in Bridgeport’s north end Friday.  Assistant Fire Chief Dominick Carfi told us that the fire appeared to have started in the kitchen which sustained heavy damage.  The fire did not extend to the roof and the house did not sustain  heavy structure damage but it did receive heavy smoke damage.  An investigator arrived on the scene a short time later and the fire remains under investigation Chief Carfi said it appears to be accidental.