5a son has no trousers (6) -l-c-s
1a one sick seagull gets wrong treatment (3,5) i-l/---g-
20d make message understood and announce through work section (7) d-c---t...
19a strager supporting unknown number stuck in mountain (9) ----i-n-r
20a after brit snatched stolen ring, agent fired several shots (12) p-o-o---t-g-...
15a pack to set between opponents in card games (4) -t-w
18d run into delay, so get out of the carriage (7) --t---n
22d economy seen growing in seaside area (6) t---f-...