Rohtak, Dec. 26 -- The Rohtak police have arrested a man for allegedly killing his 31-year-old sister by slitting her throat at her beauty parlour in Rohtak on Thursday, said officials. The accused murdered his sister as he was upset over her alleged decision to enter a live-in relationship with a man, they added. According to police, the incident took place on Thursday morning when the deceased was at her parlour near Mata Darwaja area in the city. After slitting her throat with a sharp-edged weapon, he fled. Rohtak deputy superintendent of police (DSP) Ravi Khundia said that the woman's father told them that she got married in 2010 and took divorce before initiating a live-in relationship with a man. "The accused exchanged some heated arguments with his sister on Thursday morning and then he killed her. We have registered a murder case and the accused was arrested and we are interrogating him," the DSP added. In another incident, Rohtak police arrested two persons for allegedly stabbing a 22-year-old man to death on Wednesday night in Durga colony locality. The deceased has been identified as Ankit Kumar. The accused have been identified as Sumit, a resident of Kiloi village and Rahul of Bohar village. According to police, Ankit along with his friends went to the Gazipur flower market. On the way, he asked the accused to move their car towards the rear side to let them pass. "But one of the accused stabbed him with a sharp-edged weapon. Ankit's three friends rushed him to PGIMS, where doctors declared him dead," said Rohtak police spokesman Sunny Loura. Rohtak civil lines police booked two accused on charges of murder....