PITTSBURGH -- A third arrest was made Wednesday in connection with the Duquesne University campus shooting.

William Holmes, 18, of Penn Hills, turned himself in and was taken into custody at police headquarters around 1:45 p.m.

Police said Holmes, along with 18-year-old Brandon Baynes, were the gunmen that fired several shots and injured five Duquesne basketball players on Saturday night.

The Homicide Squad conferred with the Allegheny County District Attorney's Office and they have confirmed that the charges will be amended to five counts of criminal attempt homicide, five counts of aggravated assault, one count of VUFA, and one count of criminal conspiracy at the time of the arraignment.

Officials said the investigation is continuing.

Watch for updates on WPXI.com and Channel 11 News.