Two good Samaritans jumped into action after witnessing a 70-year-old man get knocked to the ground in an attempted robbery inside a Tucson fast-food restaurant

Two good Samaritans jumped into action after witnessing a 70-year-old man get knocked to the ground in an attempted robbery inside a Tucson fast-food restaurant. Instead of freezing up and standing still, the two witnesses jumped in and stopped the suspect from stealing the elderly man's backpack a…