New Delhi: At least six people were injured in three separate accidents within a radius of 5km on Ring Road in outer Delhi on Saturday night. There were traffic jams in the area till early morning due to the accidents. The first incident took place around 11pm when a truck rammed a Hyundai Santro at Madhuban Chowk underpass. The Santro then crashed into another truck and was dragged along for nearly 500 metres. The car was mangled in the incident. Its two occupants — Ratan and Nidhi, residents of Rohini Sector 4 — miraculously escaped even though firemen had to be called in to cut open the vehicle and extract them.