NEW YORK -- Police say one child was critically injured in a stabbing in Brooklyn and another was hurt.

It happened around 3 p.m. Thursday at a basketball court at Gowanus Houses.

According to police, there was a dispute involving several children and teenagers.

An 11-year-old boy was stabbed in the chest and back. He was taken to a local hospital in critical condition.

A 13-year-old boy was stabbed in the hand and taken to a local hospital with minor injuries.

As CBS2's Astrid Martinez reports, it's unclear at this time if they stabbed each other or if they were stabbed by someone else.

A switchblade and a box cutter were recovered at the scene.

No arrests have been made.