Sunday post cryptic

[butcherbilly1324]

This is the last 2 to finish 16 across Bygone time first narrated 4 ?o?d I was thinking told but not sure why.
21 across people are crazy when they run it 4 a?o?

[bibblebub]

16a) bygone = OLD, time first = put T at the front

21a) amok

[sandyRoe]

time first...T + old...bygone
amok. run amok

[butcherbilly1324]

Thanks for the answers and the explanation bibblebub, thats me done :-)

[bibblebub]

well done