Three members of a family died and eight others were injured when the jeep they were travelling in tumbled into a gorge of 600 metres at Harinagar village near Bohrakun at Bheemtal in Nainital district on Thursday.
The jeep was going to Haldwani from Dharchula, police said, adding that the injured were rushed to Sushila Tiwari Government Hospital.
The deceased have been identified as Dharchula natives Indra Singh, 50, his mother Ganga Devi, 70 and his son Jyoti, 19.
The injured are Bhagirathi of Pithoragarh, Vikas, Charkhu Manjhi and Mangal Raut of Jharkhand, Shanti Devi of lalkuan, Kamla Devi of Bindukhatta and Madan Singh of Pithoragarh.
In another accident, BHEl supervisor Udham Singh Nagar district died and his assistant was injured when the bike they were on was hit by an unidentified vehicle at Tinpani in Rudrapur on late Wednesday night.
The deceased was identified as Jagdish, native of Madhya Pradesh who was currently living in lalpul while the injured is Nadim, resident of Kichchha.
They were rushed to a hospital where Jagdish was declared brought dead.