MIANWALI - A youth killed his cousin after she refused his marriage proposal here the other day. As per detail, a young girl namely Fateh Khatoon, a resident of Yaro Khail was killed by his cousin after she refused his proposal for marriage. Accused Muhammad Ashraf, son of Zafer Ullah, a resident of Shahbaz Khail wanted to marry his cousin Fateh Khatoon who was a student of Bcom. The girl, however, was not interest and rejected his proposal as he was uneducated and unemployed and had a bad repute in society. The accused took the refusal at heart and considered it his insult.