MUMBAI, March 17 -- A 17-year-old driving an SUV was involved in a road accident that killed a 15-year-old pillion rider in Sakinaka on Sunday night, one of two fatal road crashes reported in the city in less than 24 hours. Another man, 28, died after a dumper hit his scooter on the Western Express Highway near Borivali East on Monday. In the first case, 15-year-old Pratik Mane was riding pillion with his elder brother Sumit Mane, 22, on their scooter at Nahar Amrit Shakti junction in Sakinaka around 8pm on Sunday. A speeding Hyundai Creta hit the scooter from behind, causing the brothers to fall. Pratik suffered a fatal head injury, while Sumit sustained leg injuries and was discharged from hospital after treatment. Witnesses said the driver fled the scene after the accident. The driver of the car, a 17-year-old boy, was accompanied by Mohammed Anas Moharramalli Khan, 22, at the time of the accident. Police traced and arrested the driver on Monday. The minor has been sent to Dongri Children's Home till March 27 and will be presented before the Child Welfare Committee. He has been charged under relevant sections of the Bhartiya Nyaya Sanhita and the Motor Vehicles Act. Police said the process of Khan's arrest is underway for allegedly renting the vehicle and handing it over to the minor. Khan allegedly provided his documents to the car owner's caretaker and rented the car, which he then gave to his minor friend to drive. In the second accident, 28-year-old Sameer Aslam Shaikh, a resident of Andheri West, was killed on Monday around 1:15 pm when a dumper collided with his Suzuki Bergman scooter near the Dahisar Check Naka on the northbound Western Express Highway. He suffered severe head injuries and was declared dead upon arrival at Shatabdi Hospital. A mobile forensic van examined the site, and CCTV footage showed that Shaikh came under the rear wheels of the dumper. The truck driver has been taken into custody, police said....