The Expedition of Abdullah ibn Unais, also known as the Assassination of Khaled bin Sufyan was the first attack against the Banu Lahyan, which took place in the month of Muharram in the year A.H. 3.
It was reported that Khaled bin Sufyan Al-Hathali (also known as Hudayr, the chief of the Banu Lahyan tribe), considered an attack on Madinah and that he was inciting the people on Nakhla or Uranah to fight Muslims.
Abdullah ibn Unais found Khaled bin Sufyan Al-Hathali (also known as Hudayr, the chief of the Banu Lahyan tribe) in the company of his wife.
[3] Muhammad gave him his staff as a reward and said: This will function as a sign of recognition for you and me, on the day of resurrection (Musnad Ahmad 3:496)[1][6][7]Another branch of Banu Lihyan planned to take revenge for the killing of their leader, Khaled bin Sufyan.
[1] The Muslim jurist Tabari, also mentions the event in his biography of Muhammad: "The Messenger of God called me and said, 'It has reached me that Khalid b. Sufyan b. Nubayh al-Hudhali is gathering a force to attack me.
Al-Tabari vol.9 p.121[10]The incident is also mentioned in the Sunni Hadith collection Sunan Abu Dawud: The Apostle of Allah (pbuh) send me to Khalid b. Sufyan al-Hudhali.