8-year-old boy and 25-year-old man critically injured, house fire in Philadelphia's Frankford neighborhood.

8-year-old boy and 25-year-old man critically injured in a house fire in Philadelphia's Frankford neighborhood; two other family members sustained stable injuries. Fire crews responded to the scene at 4300 block of Griscom Street, finding the house engulfed in flames at around 1:40 a.m., with the fire under control by 2:15 a.m. The cause of the fire is currently under investigation.