A 50-year-old farmer was arrested by Kalambur police near Arani town in Tiruvannamalai on Wednesday for allegedly killing his lover.

Police said the arrested person was identified as S. Ramasamy, a tribal from Kallathur hamlet in Jamunamarathur village in Jawadhu Hills. He was unmarried and involved in farming in the village. The victim K. Deepa 39, also belongs to the same village.