Saudi authorities on Tuesday beheaded two Saudi men convicted of killing two compatriots, the Interior Ministry said. In separate statements carried by the official Saudi Press Agency, the ministry said Ibrahim al-Saeed fired several shots at Muhammed al-Shamrani and killed him. It did not give further details. In another statement, the ministry said that Saad al-Otaibi stabbed Muhammed al-Faifi in the neck after a dispute. The statements said al-Saeed and al-Otaibi were executed in Riyadh.