London police attending good party in spooky location (9)
I believe the answer is:
graveyard
'spooky location' is the definition.
'graveyard' can be an answer for 'location' (graveyard is a kind of location). I'm not sure about the 'spooky' bit.
'london police attending good party' is the wordplay.
'london police' becomes 'Yard' (Scotland Yard, Metropolitan Police HQ).
'attending' says to put letters next to each other (to attend can mean to follow).
'good' becomes 'g' (abbreviation).
'party' becomes 'rave' (type of dance party).
'g'+'rave'='grave'
'yard' after 'grave' is 'GRAVEYARD'.
'in' is the link.
Can you help me to learn more?
(Other definitions for graveyard that I've seen before include "Cemetery" , "Burial ground" , "Final destination" , "church ground" , "remains here" .)