Times Jumbo Crossword 830

[dofray]

49a Miners wake shortly and see about bringing in spades (10)
I have N???R?????
53a Impatient Henry's gone off looking for a lift (7)
I???I??
37d Training arrangement bringing light relief (3,7)
?A?R??? A?E
15a Caught unknown nobleman dispatchingold emperor's supporter (7) I have C?A?I?T - could this be CHARIOT and if it is how do you get it. I can see CT as caught but thats where it ends.
Thanks for anyone who can help, the sun has melted my brain today.

[Lie-in King]

49a Numerously - NUM + rous(e) (in) Ely (see = diocese)
53a (H)Itching)
37d Day release
15a Czarist - c(aught) + z + arist(o)

[Lie-in King]

Apologies for the extraneous ) in 53a :-)

[dofray]

Thanks Lie-in King you have helped me in the past and I am so grateful to you, saves me racking my brains out until theanswers come out in 14 days.