This crossword No. 3620 clues and answers were published on Sun 21 Feb 2016 and the puzzle can be visited by following The Guardian Everyman Crossword No. 3620 link.
All Across Clues and Answers:
1-across – Hissing bird turned and left insect : SIBILANT
5-across – Gathers energy to return prize : ESTEEM
9-across – Mercy one ordered in ritual : CEREMONY
10-across – Hollow case, prosecutor’s last : CRATER
12-across – Fix article, breaking nothing : NAIL
13-across – Cry, dim hope renewed, for syringe : HYPODERMIC
16-across – Time poorly occupied by game, second in town : TUNBRIDGEWELLS
17-across – Conservative hurt by insulting campaign to win support : CHARMOFFENSIVE
19-across – Golfer modified range, retaining good standard : GREGNORMAN
20-across – Singer back in Scotland : ALTO
22-across – Close attention applied to book set in New York : NEARBY
24-across – Money from gambling factions divided by pub : WINNINGS
25-across – Changing treaty, talk incessantly : YATTER
26-across – Appeal to share : INTEREST
All Down Clues and Answers:
1-down – Instant alternative : SECOND
2-down – Exclude piece on universal merit in sedative : BARBITURATE
3-down – Caustic substance in tree : LIME
4-down – Novelist showing dynamic front, unusually : NANCYMITFORD
6-down – Were tests designed to keep one familiar with urban life? : STREETWISE
7-down – Put away in the attic : EAT
8-down – Damage airman starts to appraise, slowly rattling instruments : MARACAS
11-down – Prisoner in rage got out of order in assembly : CONGREGATION
14-down – Hate man with brutality dispatching one : MALEVOLENCE
15-down – Appalling prohibition I’m lifting, filling a trunk : ABOMINABLE
17-down – Firm information about year in power : COGENCY
18-down – Staff brought up and established in county : DORSET
21-down – Formerly working with church : ONCE
23-down – Routine agreement, no pressure : ACT
This crossword has in total 28 where 14 are across and 14 are down.