An Easton residents sustained serious burns in a house fire yesterday.  Easton firefighters responded to a Hayes Street house shortly after 7:30am on a report of a fire with people still in the house.  Firefighters found a member of the family inside attempting to extinguish the flames on the second floor of the home. This person exited under his own power but sustained serious burn and smoke injuries and was transported to the Bridgeport Hospital Burn Center by Easton EMS.  All other members of the household exited the home without injury.  Newtown, Monroe, Redding and Weston fire companies provided mutual aid.  The fire is under investigation by the Easton Fire Marshal's Office and no cause has been determined at this time.