Cryptic crossword No 3,605

Across

1. Perhaps African God? (4,3)
2. Go head over heels with gathered seasonal seasoning? (10)
3. Seat finally taken for tea (4)
4. You once run away from that place (4)
5. A tactic I exploited to create lake (8)
6. Criminal preps onion with minimal supervision here (4,6)
7. A Barker and Corbett broadcast providing wry observations (7)
8. Paid a tsar from the East partly in football arenas (6)
9. Instances of firm backtracking and removing original investment from funds (11)
10. A little horny, captivated by arousing, but not English, accent (6)
11. Sick note rejected without say is unlawful (7)
12. Torrential downpour: Imogen loses umbrella to begin with and returns mostly wet behind the ears (8)
13. Retiring sailor tucked into starters of pickled anchovies, herring and flatbread (7)

Down

1. Revise conclusions of seismic lunar strata theorem (4)
2. Caution advised at first entering tunnel junction (6)
3. The heart of liberty in America at the end of intermittent dream, connected to eager political agitators (10)
4. Long, thin cigars are all peasant chewed (10)
5. Perfect partner delivers his excuse for arriving late! (2,5)
6. Boors take direction from boar's grunts (4)
7. Guardian, among others, circles jobs for young people (5,6)
8. Boyfriend I vetoed concealing vegetable (6)
9. Awkwardly shy and erect in Surrey town (8)
10. Considerably less than 50%? (3,4)
11. Ultimately, button on club doesn't need to be pressed (3-4)
12. Monarch pulled out of khaki car, beaten up in Asian city (7)
13. Glorify belief by spinning lies (8)