A teen was critically injured in a stabbing in Midwood Monday afternoon, police say.

It happened at Avenue M and East 17th Street shortly after 4 p.m.

Police say they found a 17-year-old boy bleeding after he was assaulted by two or three people, possibly armed with a knife.

Witnesses who did not want to appear on camera tell News 12 that they heard a commotion and saw one of the three people plunge a knife into the victim. They say the teen ran into a pizza shop pleading for help.

Police say the teen was taken to Maimonides Medical Center in critical condition.

The victim has not been identified at this time.

Anyone with information is urged to call Crime Stoppers at 1-800-577-TIPS.