Last two........
20A: Church home, miles away, safe place potentially (6,2,4)
C?A?E? / O? / E?S?
Chapel of Ease = church (def)
but how is the rest parsed, please?
"3 D: National uncertainty about news(4)
?I?N
Finn = National (def)
fi - if reversed - uncertainty
N - news
where does the other "N" come from, please?