A 26-year-old man allegedly beheaded his wife following a heated argument on the outskirts of Bengaluru after he suspected her of having an extra-marital affair, police said on Saturday.

After killing Manasa, Shankar travelled with her severed head on his scooter to the nearest police station and confessed to the crime, they said.

The man was later arrested, police said, adding that the incident occurred at Heelalige village, near Chandapura, Anekal taluk late on Friday.