Fatehpur, Jan. 16 -- A man killed his sister's paramour and sister-in-law with a knife over an alleged love affair in Fatehpur district of Uttar Pradesh on Friday, police said.

The accused also attacked his sister, critically injuring her in Haswa village, within the Thariyaon police station area.

According to the police, the accused has been identified as Dildar Qureshi, a resident of Haswa village. He first attacked his sister's lover, Faizan, outside the village, stabbing him multiple times and causing his death on the spot.

After killing Faizan, Dildar returned home carrying the blood-stained knife and began attacking his sister, Shabnam (name changed).

When his sister-in-law, Zikra Parveen, intervened to save Shabnam, the accused s...