Police have arrested two in-laws of a woman on charges of killing her and her partner, who were crushed under a tractor in Jalna district of Maharashtra allegedly over an "illicit relationship", an official said on Friday.

The accused, Bathwell Sampat Lalzare and his son Vikas Lalzare, residents of Chapalgaon village under Ghansawangi tehsil, were arrested on Thursday, said Ambad police inspector Aniruddha Nandedkar.