Fifteen elementary school-age children were attacked by a dog at an Oklahoma playground this week, animal welfare officials said.

The dog, described as an un-neutered male pit bull mix, bit several third- and fourth-graders at Fillmore Elementary School just before 1 p.m. Monday, officials told KJRH. At least 12 of them were taken to a local hospital.

There were 28 children and three teachers at the playground at the time of the attack, officials said.

A teacher somehow managed to trap the dog in a hallway at the school. Oklahoma City Animal Welfare later took the dog into custody.

Some children required sutures to treat bites and escape wounds, spokesperson Jon Gary from Oklahoma City Welfare told The Post.

Gary said the dog is healthy and did not appear to be a stray, but did not have any identifying information.

Officials were trying to track down the dog’s owner. If an owner doesn’t come forward in three days, the shelter will decide whether to euthanize the animal.

If an owner comes forward, the victims could file a dangerous dog complaint, which would put the case before a judge. The judge would decide whether to euthanize the animal, or require the owner to neuter the dog in addition to other conditions, Gary said.