The Pune police on Thursday started questioning the grandfather of the 17-year-old boy, who allegedly crashed his high-end car into a motorbike killing two persons an official said. The police summoned the boy’s grandfather in connection with an offence registered against the juvenile’s father, the staff members, and the owner of two liquor-serving establishments in the Mundhwa area, a Crime Branch official said.

“The sleuths of the Crime Branch are currently grilling the minor’s grandfather at the Pune police commissionerate,” he said. A Porsche car, allegedly driven by the 17-year-old, who the police claim was drunk at the time, fatally knocked down two motorbike-borne software engineers at Kalyani Nagar in the city in the early hours of Sunday.