5 People Injured In Major Explosion, Fire At Oil Refinery In South Philadelphia, Officials Say  CBS PhillyPhiladelphia Oil Refinery Explosions Create Giant Fireball In The Sky  NPRPhiladelphia Oil Refinery Explosion Shakes City With Hug …

4 People Injured In Major Explosion, Fire At Oil Refinery In South Philadelphia, Officials Say  CBS PhillyPhiladelphia Oil Refinery Explosions Create Giant Fireball In The Sky  NPRPhiladelphia Oil Refinery Explosion Shakes City With Hug …