A homeless man with a long criminal history viciously beat a 70-year-old Sikh man with a golf club near his place of worship, according to California cops — with the victim seen soaked in blood before being put in a medically induced coma.

The attacker approached Harpal Singh on a bike in North Hollywood on Aug. 4 — then repeatedly bashed him with the club, before walking away, according to KTLA .

Disturbing footage shows the battered 70-year-old stoically sitting cross-legged on the ground, completely covered in blood — and left holding the club used to beat him. 3

Singh was put in a medically induced coma with a fractured skull and possible brain damage.

Bo Richard Vitagliano, 44, was arrested Monday night — a week after the attack — and charged with assault with a deadly weap

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