Lucknow (Uttar Pradesh) [India], September 23 (ANI): A man was allegedly killed by a woman's family over a suspected love affair in Uttar Pradesh's Lucknow on Monday night, police said. According to officials, following the incident, police forces from six stations were deployed to the area to prevent any untoward incident or protest. Security was also increased outside the homes of both the deceased's family and the woman's family. In another case, Uttar Pradesh Police arrested a man in connection with the murder of a woman whose body was found in Mainpuri district. In this connection, the accused Arun Rajput, who murdered the woman, has been arrested,' Arun Kumar Singh, Mainpuri, told reporters on Monday.