A teenage boy was fighting for his life after being repeatedly stabbed on a Brooklyn street Tuesday afternoon, cops said.

The 17-year-old was attacked shortly before 4 p.m. outside 522 Quincy Street in Bedford-Stuyvesant, according to authorities. 

One person was taken in custody in connection to the knife attack, police said.

EMS rushed the boy to a local hospital, where he was in critical condition with multiple stab wounds to his torso, police said.

It’s unclear what triggered the bloodshed, authorities said.