It happened shortly before 1 a.m. Sunday on the 3300 block of North 3rd Street.
Police found more than a dozen bullet casings and a damaged truck that crashed on the scene.
The three men, ages 47, 37, and 18, were found critically wounded at Temple University Hospital. They had been taken to the hospital in a private car before officers arrived to the shooting scene.
Police are sorting out exactly what happened and who fired the shots.
There is no word on arrests or a motive.
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