1: The rope got twisted by a shrub (3-4)
5: Drive an unusual visitor (7)
7: Unfathomable letters from Lamb, say (7)
8: End of the line in 28 across - it's of prime importance (7)
11: Neil Armstrong initially brought back extraterrestrial (5)
12: Hot and sultry, stripping right in current (7)
13: Mr. Upton dressed, one suit being just like any other? (2-5)
15: Something cold in Candice Bergen's makeup (7)
16: The very young at times dash around seniors with energy (7)
18: Closest home receives attention (7)
20: Buses and trains. (7)
22: Tied down holding back fighting (5)
23: Fools around near hellholes (7)
24: A sign of winter here in Paris -- clashes when ash is dumped (7)
25: Candidate has no time for ease, apparently (7)
26: Encase most of the Ashes wrongly (7)