PHILADELPHIA - All north and southbound lanes are completely closed after a fire broke out on Interstate 95 in Philadelphia Sunday morning.Video from the scene shows smoke and flames billowing from under the interstate as emergency crews arrive on the scene with traffic at a complete standstill in both directions.The fire is currently burning near Cottman Avenue and State Road in Northeast Philadelphia.Early reports state that a tanker trunk under the interstate caused the fire, and that part of the interstate has collapsed, but details have yet to be confirmed.It is also unknown if there are any injuries at this time.This is a developing story.