Seven Injured in Knife Attack at Polish High School

A person with a knife attacked people at a high school in Ostroleka, Poland.

The attack happened on Wednesday morning.

Police arrested a 19-year-old student from the school.

Early reports said seven people were hurt, while a prosecutor said information available to her pointed to eight.

Reports said students and teachers were among the injured.

One account said five teenagers and three adults were hurt.

Two people were reported to be seriously injured.

The injured were treated at a hospital in Ostroleka.

Authorities had not said why the attack happened.