As usual, ground to a halt. Have nearly finished working from the bottom up!. Stuck on - 10 across He kept Pilot men circling a city R???E?T??;
2 down Cabinet cut one leaving tow treatises L???E;
Fraulein Bunt's pilot stripped of his wings ???A and lastly
11 across One is where the Alchemist's found oxygen unmodified O?S?S (thought of oasis but don't get it!)