12 across
Check
Republicans’s
been
sacked
–
result!
(5)
Check Republicans’s been sacked – result! (5)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Look at result at the end — that's your definition, meaning to follow as a consequence. Take ENSURE, meaning check, and sack the R (the abbreviation for Republican) from it, and you're left with ENSUE.