NEWARK, N.J. (AP) Authorities in Newark, New Jersey, still have no suspects in the Saturday night murders of three young men and the wounding of a woman.

The four young friends were shot in the head, execution-style, in a schoolyard.

Authorities believe it was a random robbery committed by several assailants. And they say some of the victims may have tried to resist.

Authorities were piecing together details of the attack from interviews with the lone female survivor.

All four lived in Newark and were to attend Delaware State University this fall. None of the victims had criminal records.

Friends and family members say the four were not involved in drinking, drugs or gangs and mainly liked to congregate at the school to hang out and listen to music.

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