A speeding Mercedes car injured four people, including a four-year-old boy, who were sleeping on a pavement in south Mumbai late on Thursday night, police said. According to Pydhonie Police, 41-year-old Amin Yusuf Shaikh lost control of his friend’s vehicle as he took it for a joyride. He lost control after barely 200 meters as the car picked up speed and rammed into the vehicles parked near a divider at Colombo Junction near Crawford Market at around 12.15am.