OSKALOOSA — Police have arrested a man in connection with multiple stabbings in Oskaloosa.

Robert William Powell, 44, Oskaloosa was found in the 800 block of 10th Avenue East and taken into custody without incident shortly before 7:30 a.m. Thursday. He is being held at the Mahaska County Jail for attempted murder, and the investigation is still ongoing.

The first call for help came at about 4:24 a.m., when members of the Oskaloosa Police Department went to the 1000 block of South Fourth Street. They found a female victim with stab wounds to the head and neck. She was rushed to a local hospital with critical injuries.

Police were still investigating that incident when, at 6:43 a.m., a call about a fight in the 200 block of South Market Street came in. Officers arrived to find an additional stabbing victim with serious injuries to the neck. He was transported to a local hospital for treatment of his injuries.

The suspect, described as a white male with black sweatpants, had been seen running from the scene of the second stabbing.

Police found evidence linking the two incidents and began searching for the suspect. Oskaloosa Community School District went on a lock-out protocol for a short time as a precaution.

Iowa’s online courts database showed this is not Powell’s first encounter with law enforcement. In 2014 he pleaded guilty to third-degree burglary and received a five-year prison sentence.

In 2000, Powell was sentenced to 15 years in prison for conspiracy to manufacture more than five grams of methamphetamine.