DALLAS -- Police have issued a murder warrant for a suspect who physically assaulted a man, which caused his death days later.

According to Dallas police, Ray Charles Keys, also known as "cowboy", assaulted 45-year-old Jonathan Hunt and another unidentified man at 3600 Spring Avenue in February. Hunt sought medical attention and died two days later.

If anyone has any information on the identity of the second suspect or the whereabouts of Ray Charles Keys, they are encouraged to call 911 or contact Detective Walton, #8479 at (214) 671-3632 or christopher.walton@dpd.ci.dallas.tx.us.