Una Stubbs, '60s star and 'Sherlock' actress, dead at 84

Una Stubbs was a stalwart of British TV and stage for six decades, breaking through in the 1960s with the film "Summer Holiday," which starred Cliff Richard before she landed the role of Rita Rawlings in the long-running sitcom "Till Death Do Us Part;" she also starred in the 1968 film of the same name.