I would appreciate help with the following please:-
23 across "Starter of boiled egg on rare meat" (6) ?U???R.
29 across "Meeting to talk about sulphur plant"(7) ??R???Y.
25 down "Engaged in work at the highest level" (4) ?T?? (Atop?).
24 down "Young's last game against the Spanish is sloppy fare" (5) ??U??
Thank you