LOS ANGELES (Reuters)  Rock band Tom Petty and the Heartbreakers are offering a $7,500 reward for the return of five guitars stolen last week, ahead of their US and Europe tour. The band said that the guitars include Petty’s 1967 12-string blonde Rickenbacker 360 and his 1965 Gibson SGTV Junior, as well as instruments belonging to bassist Ron Blair, rhythm guitar player Scott Thurston, and lead guitarist Mike Campbell.