CHICAGO - Seven teenagers were shot at a Detroit bus stop and police are searching for the two shooters, local media reports.

Two men wearing ski masks approached the teens just before 3 pm (1900 GMT) and said "you know who we're looking for" before shooting 15 rounds of ammunition, a police spokesman told the Detroit News.

Among those shot were three boys and two girls aged 14 to 16. At least four of them had just left a nearby high school after classes ended for the day.

"We haven't gotten word on their conditions yet," Officer Dan Danakowski told the paper.

Cody Ninth Grade Academy principal Jonathan Matthews said there were no problems at the school earlier in the day.

"Today was a normal day at school. There was nothing that happened (out of the ordinary)," Matthews told the News.

The area is known for a high level of gang activity.

A police spokesman did not immediately return a call for comment.