However Worthington did not run ; he remained Deputy Chairman of the National Labour Organisation .
Thomas resigned his seat at Derby shortly afterwards , Worthington was expected to be named as the National Labour candidate for the ensuing by - election .
Worthington did not run ; Worthington remained Deputy Chairman of the National Labour     .
Thomas resigned his seat at Derby shortly afterwards , Worthington was expected to be named as the National Labour candidate for the ensuing by - election .