### Clue: Middle-eastern group welcomes Utah's underworld leader (5)
### Answer: PLUTO 
 ### Explanation: Definition: underworld leader
 PLO(abbrev. for the Palestine Liberation Organisation, a Middle-eastern group) **containing**(welcomes) UT(abbrev. for Utah, the US state).**
Defn:  The god-ruler of the underworld, land of the dead.