Donbas sporadically blown up as well (3)
I believe the answer is:
and
'as well' is the definition.
(I've seen this in other clues)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for and that I've seen before include "A very common conjunction" , "Together with" , "& 18 You bet!" , "Joiner or dandies" , "Joining word" .)