ESCONDIDO, Calif. (OX 5/KUSI) -- Four adults and three children were displaced Wednesday after a house fire broke out at a residence in Escondido, authorities said. According to the Escondido Police Department, crews responded to reports of a structure fire in the 1500 block of E Washington Avenue shortly before 3:30 a.m. Responding officers and firefighters discovered a well-involved blaze coming from the front of a home. At that point, several fire engine crews entered the structure to search for possible victims, as well as work to extinguish the blaze. Authorities said the fire was contained in about 30 minutes time, with the home suffering major damage. A total of seven residents, four adults and three children, were displaced as a result of the house fire. Police said they are being assisted by the American Red Cross. E Washington Avenue was temporarily closed in the area as crews worked to contain the fire and clean up. Meanwhile, a crew with San Diego Gas and Electric secured the utilities to the structure. No injuries were reported in connection to this incident. Police said the cause of the fire remains under investigation.