7-across – A desert in California – or a crater on Mars : MOJAVE

8-across – Ancient forest between London and Essex : EPPING

9-across – Name given to the dress Diana, Princess of Wales wore when she danced with its namesake at the White House in 1985 : TRAVOLTA

10-across – SI unit of power : WATT

11-across – See 4 Down : ATATURK

13-across – Marsupial native to Australia : KOALA

15-across – King of Judea who ordered the Massacre of the Innocents : HEROD

16-across – A type of padded stool : OTTOMAN

18-across – __ Fitzgerald, singer : ELLA

19-across – Book of __, Old Testament work attributed to King Solomon : PROVERBS

21-across – Chemical symbol denoted by the letter Z : ATOMIC

22-across – See 21 : NUMBER

1-down – Jan __, Daily Mail columnist : MOIR

2-down – Church founded by William and Catherine Booth : SALVATIONARMY

3-down – F.W. __, joint Nobel laureate with Nelson Mandela in 1993 : DEKLERK

4-down – Mustafa __, first president of Turkey : KEMAL

5-down – The __, James Bond novel and film : SPYWHOLOVEDME

6-down – The peninsula that makes up most of Turkey : ANATOLIA

12-down – Popular name for German air raids on UK cities 1940-1941 : THEBLITZ

14-down – The capital of Antigua and Barbuda : STJOHNS

17-down – Star Trek character played by Leonard Nimoy : SPOCK

20-down – Popular name for the UK’s national broadcaster : BEEB

5-across – Nasa rover that landed on Mars in 2004 : SPIRIT

6-across – Alfred __, biologist remembered for his research into sex, gender and reproduction : KINSEY

8-across – Kate __, BBC reporter remembered for her work in war zones : ADIE

9-across – Dame Imelda __, actor who played Dolores Umbridge in the Harry Potter films : STAUNTON

10-across – See 7 : PELOSI

12-across – __ Saint Laurent, designer : YVES

14-across – Beatrice __, co-founder of the LSE : WEBB

16-across – Jerry Seinfeld’s fictional ex? : ELAINE

19-across – Battle of __, decisive victory by Alfred the Great over the Danes in 878 : EDINGTON

21-across – The world’s tallest building, opened on this day, 2010 : BURJ

22-across – Public sector trade union formed in 1993 : UNISON

23-across – Pot-__, French term for a mixture of dried plants chosen for their scents : POURRI

1-down – Sam __, fictional detective created by Dashiell Hammett : SPADE

2-down – Annual art fair held in London’s Regent’s Park : FRIEZE

3-down – Musician remembered for : OTIS

4-down – 1987 novel by Toni Morrison : BELOVED

6-down – See 21 Across : KHALIFA

7-down – The first woman elected Speaker of the House of Representatives on this day, 2007 : NANCY

11-down – Window much referred to by political analysts when discussing the limits of mainstream views? : OVERTON

13-down – See 3 : REDDING

15-down – See 16 Across : BENES

17-down – Palestinian city : NABLUS

18-down – Ten million in the Indian numbering system : CRORE

20-down – California valley associated with the wine trade : NAPA

7-across – The goat in Animal Farm : MURIEL

8-across – __ Vinick, character in The West Wing played by Alan Alda : ARNOLD

9-across – __ Diaz, character in Brooklyn Nine-Nine played by Stephanie Beatriz : ROSA

10-across – Underground passage, used especially for burials : CATACOMB

11-across – See 1 Down : KINDNESS

13-across – See 19 : SYNE

14-across – Landlocked country in south-east Asia, capital Vientiane : LAOS

16-across – __ shuffle; variation on tap-dancing : SOFTSHOE

18-across – __ Day, US national holiday on the last Monday in May each year : MEMORIAL

19-across – Song sung at Hogmanay, using words of Robert Burns : AULD

21-across – Brass horn, similar to a cornet : FLUGEL

22-across – Peter __, journalist and author of The Assault on Truth: Boris Johnson, Donald Trump and the Emergence of a New Moral Barbarism : OBORNE

1-down – A __; what the singers of 19/20/13 will take for the sake of 19/20/13? : CUPO

2-down – The __, peninsula in Cornwall : LIZARD

3-down – Percussion instruments made from pitched steel or aluminium bars : GLOCKENSPIELS

4-down – The __, novel by Dashiell Hammett : MALTESEFALCON

5-down – Nickname of a leading New York basketball franchise : KNICKS

6-down – Music and dance artform native to southern Spain : FLAMENCO

12-down – __ Knightley, sister of Jane Austen’s more famous Emma : ISABELLA

15-down – Where John Betjeman wished friendly bombs might fall? : SLOUGH

17-down – The Hebrew for peace : SHALOM

20-down – See 19 Across : LANG

1-across – The capital of the Bahamas : NASSAU

4-across – Salad vegetable whose seeds are an anise-flavoured 2 : FENNEL

9-across – Highest score given by financial credit ratings agencies? : TRIPLEA

10-across – A note worth two crotchets : MINIM

11-across – Anthony __, prime minister 1955-1957 : EDEN

12-across – A type of 2 obtained from cassia tree bark : CINNAMON

14-across – Seeds of the Piperaceae vine – also used to describe rents of nominal value : PEPPERCORNS

17-across – 2 from seeds used in Scandinavian Christmas baking : CARDAMOM

18-across – __ Stravinsky, composer : IGOR

21-across – __ Vanya, Chekhov play : UNCLE

22-across – Man brought back to life by Jesus, according to John : LAZARUS

23-across – The only one of the 2/19 whose name was a 2? : GINGER

24-across – Jay __, resident of East Egg? : GATSBY

1-down – 2 derived from the seeds of Myristica trees : NUTMEG

2-down – Music combo whose hits included Wannabe : SPICE

3-down – __ McBeal, TV series starring Calista Flockhart : ALLY

5-down – A district of London – and the capital of Alberta : EDMONTON

6-down – __ morris, a board game also known as cowboy checkers : NINEMAN

7-down – Liz __, Tina Fey’s character in 30 Rock : LEMON

8-down – Type of collage in which paper is mounted on a flat surface : PAPIERCOLLE

13-down – Musical instruction to a performer to play as they please : APIACERE

15-down – German footballer, once of Liverpool, now captain of Borussia Dortmund : EMRECAN

16-down – Bing __, singer : CROSBY

17-down – Connie __, US newsreader : CHUNG

19-down – See 2 : GIRLS

20-down – __ Pound, modernist poet : EZRA

5-across – Author of To Kill a Mockingbird : HARPER

7-across – Yvette __, home secretary : COOPER

8-across – See 5 : LEE

9-across – Eight sided polygons : OCTAGONS

10-across – See 17 : SISTERS

11-across – __ Simone, singer and civil rights activist : NINA

12-across – Harvey __, US politician portrayed by Sean Penn in an eponymous 2008 film : MILK

14-across – Ruth __, in whose name Lord’s cricket ground turns red once a year? : STRAUSS

16-across – Cartoon strip and character created by Reg Smythe : ANDYCAPP

17-across – Comedy series created by 3, based on the Belgian series Clan : BAD

19-across – The northernmost section of Australia’s Northern Territory : TOPEND

20-across – __-Romagna, region of Italy north of Tuscany : EMILIA

1-down – Aaron __, star of Breaking Bad : PAUL

2-down – The top sections of shoes : UPPERS

3-down – Sharon __, star of Pulling : HORGAN

4-down – Waylon __, country music singer : JENNINGS

6-down – US state, capital Providence : RHODEISLAND

7-down – TV series starring 3 and Rob Delaney : CATASTROPHE

10-down – South African hill from which a stand in Anfield gets its name : SPIONKOP

13-down – John Maynard __, economist : KEYNES

15-down – Region of Italy southeast of Tuscany : UMBRIA

18-down – The Irish parliament : DAIL