### Clue: Blow for Tory given Home Office approval (5,4)
### Answer: RIGHT HOOK 
 ### Explanation: Definition: Blow
 RIGHT(the side of the political spectrum the Tories;Conservatives are on) **plus**(given) HO(abbrev. for for the "Home Office", the government department) OK(approval;endorsement).
Defn: … from a pugilist.