Bob Marley, one of Jamaica's top Reggae singers, and three members of his troupe were shot and wounded Friday night by a band of gunmen who invacted his . home, Kingston police said Saturday. The attack was believed politically motivated. Marley, who wears the long, braiited “dreadlocks" of the Jamaican Rastafarian movement and is the boyfriend of this year’s Miss World. Cindy Breakspeare, has made frequent toiurs of the U.S.