MILWAUKIE, Ore. -- The grandson of a woman whose body was found Monday in her home has been arrested and accused of aggravated murder.

Donna Irene Tennant, 63, of 2817 SE Monroe Street, was found dead about noon Monday in her home of what police described as suspicious circumstances.

Based on tips, police arrested Andrew T. Johnson, 17, who lived in the home with his grandmother, said Officer Ulli Neitch.

He was taken into custody near Jantzen Beach in North Portland. Johnson was being held in the Clackamas County jail, accused of aggravated murder, Neitch said.

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