Four youths were killed in an accident at Thiyog in Shimla when their car fell into a 250-mt-deep gorge while 2 were injured. The 4 friends were from Faridabad. The 6 friends were travelling to Narkanda from Faridabad. Two youths were from Palwal while 2 were from Faridabad and 2 others from Agra. Jagpreet, Ajayveer, Rahul and Rohtash were mechanics at a motor firm in Ballabgarh. They were to reach Shimla on Dec 26 to celebrate Jagpreet’s birthday when their car fell into the gorge. The accident was caused as the driver took a brief nap, the police said.