This crossword No. 457 clues and answers were published on Sat 05 Oct 2019 and the puzzle can be visited by following The Guardian Weekend Crossword No. 457 link.
All Across Clues and Answers:
7-across – 1978 musical starring Olivia Newton-John and John Travolta : GREASE
8-across – Pierre de __, French mathematician famous for his ‘last theorem’ : FERMAT
9-across – Dido’s sister in Roman mythology : ANNA
10-across – Wellington’s nickname : IRONDUKE
11-across – Religious sect which flourished in southern France during the 12th century : CATHARS
13-across – Dame __ Mirren, actor : HELEN
15-across – Mahmoud __, president of the Palestinian National Authority : ABBAS
17-across – Earl of Leicester and prominent leader in the crusade against the 11 : SIMONDE
20-across – See 17 : MONTFORT
21-across – French city after which the crusade against the 11 was named : ALBI
23-across – Gustave __, French civil engineer whose eponymous tower stands in Paris : EIFFEL
24-across – Indian city sometimes known as the 18 city : NAGPUR
All Down Clues and Answers:
1-down – Country bordered by Iraq and Turkmenistan : IRAN
2-down – A citizen of Almaty? : KAZAKH
3-down – French city and scene of a massacre of the 11 in 1209 : BEZIERS
4-down – __ Hague, wife of the former leader of the Conservative Party : FFION
5-down – The Prime of Miss Jean __, novel by Muriel Spark : BRODIE
6-down – Area of Atlanta associated with rap music : BANKHEAD
12-down – Food of the gods in Greek mythology : AMBROSIA
14-down – Chapel in the Vatican once known as the Cappella Magna : SISTINE
16-down – Collective term for anti-fascist activists in Germany and elsewhere : ANTIFA
18-down – Not the only fruit? : ORANGE
19-down – Dorset town known for its Lighthouse arts centre : POOLE
22-down – A measure of the speed of communication over a data channel : BAUD
This crossword has in total 24 where 12 are across and 12 are down.