### Clue: Deceit shown by NI party almost inflamed Belfast maybe (9)
### Answer: DUPLICITY 
 ### Explanation: Definition: Deceit
 DUP(abbrev. for the Democratic Unionist Party, of Northern Ireland) + "lit"(inflamed) **minus its last lette**r(almost …) + CITY(an example of which;maybe, is Belfast). Another, maybe, apt surface.