Independent Saturday Prize crossword

[Ripper]

Hi
Can anyone help me with 21. across:
Invitation from restaurant in British valley is conditional lookout (7,3)
_ R _ E _ E _ E _ E
and 23.down: Where they won't be putting odds on Her Majesty's drink? (4)
R _ T _

Thanks in advance

[WuTang]

Weather - Eye?

[sedge47]

21a w "eat her e" ye
23d (sp)RITZ(er)

[factor-fiction]

Bets? Doesn't quite work though

[Ripper]

Thank you all - but that leaves me with a problem with 16 down:
Bits and pieces found in digs, squalid pads with short lets (9)
is it potsherds? and if so, why?

[Lie-in King]

potshArds (alt sp) - anag 'pads + short'

[Ripper]

Thank you Lie-in King