Cryptic across

5 Parking areas by canal perhaps, in west London (9)
8 Troubled piece of land, a zone in Georgia (4)
9 American, a bachelor after a large retainer (8)
10 Trouble follows a huge mate of David (7)
12 Tyre king’s welcome to something woolly... (5)
14 ...lots of cars, Financial Times bound to report, flooding into north London (5)
15 Vishnu’s avatar his rank disguised (7)
17 Dawn’s direction to hospital’s bit of a point to the west (8)
18 Articulate, able as a brother, was he? (4)
19 Upset stomach kind of complaint (9)