Cryptic across
1 Classical hero, dubious bell-hop, Nero sacked (11)
8 Moral tale of freight train wreck this morning’s adults only (4,9)
10 State of Brazil at the outset of poor investments and union intrigues (5)
11 Rugby commercial appearing during American brother’s sort of reggae music (3-1-3)
12 Permit to get on board frenetic ketch (6)
14 Tycoon’s pet rhyme? (3,3)
16 Fish is featured before beef main (3,4)
17 French river angler’s gear? (5)
19 ’Under the sun’: let Carolinian translate after... (2,3,8)
20 ...being in rotten, lousy Dallas for 24 hours in November (3,5,3)