FAYETTE COUNTY – (WAOK/AJC)  -  Fayette county authorities say a woman was killed on Friday,   after interrupting a burglary of her house.   Investigators say the 44 year old victim had just returned to her house on Bohannon Road in Tyrone,  with her 78-year old grandmother,  when they caught the suspects in the house.   They say as the suspects fled from the rear  of the house ,  one of them fired a shot and killed the younger woman,   leaving her dead on the porch.    Neither woman has been identified.   A neighbor told investigators that the homeowner had told him,  that someone recently triied to break-in the house.  Witnesses told police,  the suspects got away in a silver colored sedan.