Two men were arrested on suspicion of shooting a 14-year-old student with a BB gun at Tamalpais High School in Mill Valley on Wednesday, police said.
Police arrested Demarqus Wiggins, 21, and Sel Butler, 18, in connection with the shooting, reported at 11:55 a.m.at the track field at Tamalpais High School on Miller Avenue.
The student was doing physical education on the track field of the high school when a metal BB pellet struck him, police said.
The suspects were driving southbound past the track field in a blue BMW sports utility vehicle.
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A man leaned out of the vehicle, holding what appeared to be a machine gun, and fired shots at students on school property, police said.
The teen was taken to Marin General Hospital via ambulance. He sustained a moderate injury to his lower back, according to police.
Mill Valley police officers and Marin County sheriff's deputies located a vehicle matching the description provided by witnesses in Marin City within minutes and detained the occupants of the vehicle.
Wiggins and Butler were arrested for possession of a weapon on school grounds, felony battery causing injury, willful discharge of a firearm, and conspiring to commit a crime, according to officers.
Police recovered guns matching the witness's description. The firearms were loaded with BB-type metal projectiles, according to police.
The motive for the shooting remains under investigation.