4 Down, One main reassurance of attendance provided by Gaelic woman (8) ?S?A????
16 Down, God held in awful dread is something like a raccoon (3,5)
17 Down, Sudden mass of people,unwanted mass,stifling quiet moment
(5,3) ??A?? ???
18 Across, Bellow,perhaps, about American operation beginning to obliterate Latin city (3,5) ??O ?????
Compiler - PHI
Many Thanks