Solving time, 11 mins.
* = anagram
ACROSS
1 A M (O) S Book of Old Testament
4 BACK (here again)- TO-BACK (give support to)
9 MA LAW I
10 BAND ANNA Square = headscarf
11 DE (poor exam grades) GENERATION
13 banK I.E. V Capital of Ukraine
14 TUMBLER Screen
17 DISRAELI C19 PM (Ideal sir)*
18 BLEW “Blue”
20 CASH REGISTER (Resist charge)*
23 BIG AMI ST (saint = good person)
24 G L ITCH
25 UNDECLARED (darned clue)*
26 (f)EAST 4 down player
DOWN
2 MEAT “meet”
3 STAND OVER Stand = runs scored by two batsmen until one or other is out (cricket)
4 BRID(G)E
5 CABINET MINISTER (incriminate best)*
6 shif T ANT RUMS
7 B LAST
8 CON COURSES
12 VI (six in Roman numerals) S(1)TATION
15 L (1 BERT) INE
16 REMEDIAL (dire male)*
19 ST AGED Definition = put on
21 HE A VE A particular victory = Victory in Europe (VE) 1945
22 (p)ACTS Puzzle starts with a book of the Old Testament and finishes with one from the New Testament.