Yesterday’s solutions:

Across: 1 Prig. 3 Assassin. 9 Outdoor. 10 Throw. 11 Low in spirits. 13 Insect. 15 Chaste. 17 Somnambulist. 20 Rifle. 21 Echoing. 22 Serenade. 23 When. Down: 1 Proclaim. 2 In tow. 4 Scrape. 5 Afterthought. 6 Sprites. 7 Newt. 8 Joint concern. 12 Pentagon. 14 Scoffer. 16 Impend. 18 Irish. 19 Arms.