19 Across, Quite upset by contents of letter? Here's how to respond (9) ??I???T?E
23 Across, It has food cooked and brought in to soldiers (7) ??N???R
13 Across, They're ridiculously unconvincing attempts to secure a waistcoat (10) ???A??????
18 Down, Religious gathering with skill stifling rising confusion (8) A???????