18a - an overwhelming influx in a new church in a dell: a---a---e?
16a - can't work out this anagram either: US writer who ran the comic
Many thanks in anticipation ......
Help needed with -
12a - Getting on train for Greyfriars, say. (8,6)
second word possibly -c-d--
23a - place a pin nervously in device (9) a-p---n--
Many thanks...