MCKEES ROCKS (KDKA) – Police are investigating a sexual assault that reportedly took place Monday evening in McKees Rocks.

Allegheny County Police are investigating the incident that occurred Monday night at approximately 11:10 p.m.

Officers were called to the 400-block of Derby Alley where they found a female victim who stated she was held at knifepoint and forced to perform sexual acts.

Police have since issued a warrant for the arrest of 24-year-old Nino Johnson on charges of aggravated assault, rape, involuntary deviate sexual intercourse, sexual assault, terroristic threats and recklessly endangering another person.

Photo Credit: (Allegheny County Police Department)

According to authorities, Johnson is still at large but is known to frequent McKees Rocks and the North Side.

He is described as a 5-foot 8-inch tall black male, weighing approximately 175 pounds with black hair, brown eyes and a medium build.

Anyone that has information on Johnson’s whereabouts is asked to call the Allegheny County Tipline at 1-833-ALL-TIPS or 1-833-255-8477.

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