Question Author Thank you all for your helpful replies - but not quite helpful enough for this dimwit on his return from a hard day at the office.
Four of the unclued lights have(?!) to be diviner, after, symbol and analyse but I'm blowed if I can make the connection. Another little clue before I admit defeat and ask outright!
Hi Greyfox! I don't want to hi-jack Cruciverbali's thread so I'm answering your query on one of your own threads.
Spectator Christmas Crossword
Winner: A. M. MacArthur
Runners-up: M. Coldrick, Jack Shonfield, Jenny Gubb
Additional runners-up: Ian Simpson, Mike Clack, J.W. Leonard, Andrew Fisher, John Light, Mark Nichols.