SushiDog Seven Dials: grab-and-go sushi at 1 Tower Street, Seven Dials, London, a short walk from Covent Garden — SushiDogs (hand-rolled sushi burritos), sushi bowls and salads built fresh in front of you, with click-and-collect and delivery. Open Monday to Saturday 11.45am–8.30pm, Sunday 12pm–6pm.