@Mattrom...
Flustering = definition
Mr Raab is a secretary of state in Britain who has been leading many of the coronavirus daily updates, and being quizzed by journalists.
Uncomfortable = anagram indicator.
Feeling the heat from all sides = E(mbarras)SING SINGE.
Typing this, has brought to light that I've missed an S!
How about
Flustering, uncomfortable Mr Raab's feeling the heat from all sides (12)
Thanks, Mattrom.