A 50-year-old man and his son were booked in an attempt to murder case after they allegedly threatened and assaulted a person in Lakadganj area of Nagpur with a knife and gun, a police official said on Sunday,

Abdul Khalid Abdul Aziz and his 23-year-old son Shobu Sheikh had an old enmity with Jafar Khan Latif Khan (30) and threatened him on Saturday night, he said.