PHILADELPHIA (CBS) — Three people were injured overnight after gunfire erupted outside a sports bar in North Philadelphia.

It happened around 1 a.m. outside the Limit XXI Sports Bar at 3rd and Ontario Streets.

Police say an altercation inside the bar spilled outside where it escalated to gunfire.

Authorities say an 18-year-old man and a 37-year-old man were both shot four times. They were taken to Temple Hospital in critical condition. A 47-year-old man was shot once in the stomach. He was rushed to the hospital in stable condition.

No arrests have been made so far.