Five students were injured in a shooting Tuesday afternoon at Wilmer-Hutchins High School in southeast Dallas when a 17-year-old allegedly snuck into the school and fired “indiscriminately,” according to a state affidavit for the suspect’s arrest warrant.

The students were injured in a shooting at Wilmer-Hutchins High School, a school official said. The suspected shooter is still at large.

Three students were wounded by gunfire and a fourth also was injured when gunfire erupted at Wilmer-Hutchins High School on Tuesday afternoon, officials said.