Delhi Police have arrested five people including 24-year-old Sahil Gehlot`s father, his two cousins, and two friends in connection with the killing of his live-in-partner Nikki Yadav, police said on Saturday.

"All five co-accused including the father Virender Singh, two cousins Ashish and Naveen and two friends Amar and Lokesh of Sahil Gehlot were thoroughly interrogated and arrested after verifying and ascertaining their role in connection with the killing," Special Commissioner of Police (Crime) Ravindra Yadav said.