Yesterday’s solutions:

Across: 1 Tariff. 4 Mouth. 7 Neutralise. 8 Tram. 9 Samba. 11 Heinous. 13 Earmark. 15 Annoy. 17 Join. 18 Hammer blow. 20 Rigid. 21 Gateau.

Down: 1 Thatch. 2 Item. 3 Fatigue. 4 Means. 5 Uni. 6 Hyena. 7 Nation. 10 Meadow. 12 Sandbag. 14 Kung fu. 15 Abhor.

16 Yield. 17 Jolt. 19 Mug.