PHILADELPHIA (CBS) – Police are investigating the bizarre circumstances in which a man cut off his own arm and hand in Northeast Philadelphia.

The incident happened at about 8 p.m. Wednesday evening inside a home in the 800 block of Brill Street in Northeast Philadelphia.

According to police, a 34-year-old man used an electric saw to cut off his arm below the elbow. Police say the man then cut the hand off his amputated arm and then hid the two parts inside his home.

The man was taken to Albert Einstein Medical Center in an unknown condition.

Police are still investigating why the man amputated his own arm and hand.