Seven people, including six boys, were injured in a shooting in a schoolyard in Philadelphia.
This was reported by the police according to what was reported by ABC news.
The shooting took place around 6 pm local time, midnight in Italy.
The injured children and teenagers are between 2 and 17 years old.
A 31-year-old woman was also affected. All are in stable condition.
No information on the person who fired the shot.
Philadelphia police are looking for three people.
"We are currently trying to figure out whether it was some kind of revenge and whether the victims were chosen or not. But it is still too early to tell," Philadelphia Police Chief Danielle Outlaw told local media.