Neshaminy High School principal Stephen Garstka in a letter to parents and students said the parents of Ryan Duffy gave permission for his name and diagnosis to be released.
Bristol Township Police told Fox Philadelphia and other outlets a 17-year-old was driving a 2002 Mustang at a "high rate of speed" on Wistar Road in the Fairless Hills section around 4 p.m. and slammed into a tree.
A man was shot and stabbed outside the Oxford Valley Mall Thursday evening, prompting a lockdown of the mall and nearby businesses. Police say the suspect is still on the run.