Shimla (Jan 3): Three persons were killed and three others were injured as an Alto car carrying them rolled down the hill at Malgi-pulah, 65 km from here, this afternoon, the police source said. A ill-fated car (HP 52A 3884) was on way to Shimla from Rampur. The deceased are yet to be identified. Source said the accident occurred on the Suni-Kingal road, which is very narrow and accident-prone. District administration has diverted traffic via Basantpur after snowfall at Narkanda and Kufri since Thursday.