Marvin Harper, 25, has been charged for the attack on November 26 in the unit block of Glendale Road.
The victim was knocked to the ground and then robbed of $100 and a cell phone.
Marvin Harper, 25, in custody for robbery of visually impaired,74 yr old man. The victim was tackled from behind and suffered significant injury. pic.twitter.com/qRfLDus9Q1— Upper Darby Police (@UDPolice) December 6, 2017
Investigators said the victim was returning home from his daily three-mile walk when he was attacked.
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