My hearty congratulations to all the solvers of this particularly difficult puzzle. Compilers, risking feedback of 'too easy' and suchlike comments, have now developed an ability to come up with obscure and sometimes unparseable clue. (rant over)
I have finally achieved completion minus 1. The 1 being 19 down 'Maybe looking for breaks in Times newspaper, coming across one in Scotland (1-6) X-*A*I*G. The answer may be clear as mud to all, but my brain is in the deep freeze.