Cryptic crossword No 3,677

Across

1. Traditional medicine coming from disrupted traffic calming-measure seen in East Africa (9)
2. "Hello, love!" on islands (5)
3. Left of oil rig, French friend showing paper art (7)
4. Red holding dead told a tale (7)
5. Character from the East with short Thomas (5)
6. Muddled president having lost papers - and one that's creepy (7)
7. Dash, a student in bed - it's allowed (7)
8. Pyromaniac, losing the unknown in trouble: breathtaking (9)
9. Area through hill - one in the clouds (7)
10. Leans and enumerates (5)
11. Writer's state (9)
12. House penny lost from shift update (7)
13. Something small reported to give one strength (5)
14. Evocative of last gin CO mixed (9)

Down

1. Refurbishes government department seen in short videos (8)
2. Ruler is heard to tremble (6)
3. Girl from Swedish group with workers replaced by Poles (4)
4. Nuclear energy meltdown for this man (8)
5. It's written: lost ecstasy from torn triceps (6)
6. Track bird and complain (4)
7. Hormone rots coil badly (8)
8. Message from Liam eventually coming up? (1-4)
9. Managed royalty league tables (8)
10. Dam train broke, revealing sour fruit (8)
11. Plain-clothes cop, harsh region (8)
12. Fluid, rugged alps to a greater degree (6)
13. Presenting partner around rearranged gun meet (2-4)
14. Economise, keeping silver wild (6)
15. Gallery swallowed by time (4)
16. Zero exclamation for old sailor (4)
17. Manage to pass the Italian (6)
18. Weapon parsed endlessly badly (5)