BEIRUT: Premier Rashid Karami`s new Government announced an immediate ceasefire ... to the week-old war between rival Right and Left-wing political militias in Beirut. For the first time in eight days, the streets of the battered capital were quiet as the warring sides began putting away their guns and counting their casualties. ... Internal security patrols were ordered into the streets to round up violators of the ceasefire. ... ...[B] eirut Radio announced a seven-point agreement mediated between the two sides by Mr Karami and Syrian Foreign Minister Abdel Halim Khaddam. News agencies [Meanwhile, as reported by news agencies from Kuala Lumpur,] Mohammad Ali, controlling the bout from start to finish, retained his world heavyweight boxing title ... with a unanimous 15-round decision over European champion Joe Bugner of Britain. There were no knockouts in the fight. ... ...[A] British contingent in the crowd let loose a chant of Joe, Joe, Joe, and Bugner acknowledged the support by raising a gloved fist to conduct the chant. Another pounding roar of Ali, Ali, Ali, greeted the world champion as he made his way to the ring.