NEW : Witnesses tell Juarez they saw gunmen carry Ciudad Juarez , travel in a AK-47s . Man shot , killed in front of students at school in AK-47s ; one others injured . Police : Suspects `` fired into the crowd without caring about the people there '' No students were injured in the attack ; suspects still on the loose .
NEW : Witnesses tell CNN they saw gunmen carry AK-47s , travel in a Jetta . Man shot , killed in front of students at school in Ciudad Juarez ; 4 others injured . Police : Suspects `` fired into the crowd without caring about the people there '' No students were injured in the attack ; suspects still on the loose .