SOLUTION TO CROSSWORD No 15,746: ACROSS:

1 Ephemera. 5 Spigot. 9 Sedative. 10 Bolero. 12 Reek. 13 Solar flare. 15 Certification. 19 Fighter-bomber. 23 Earthquake. 25 Obey. 28 Dollar. 29 Proposal. 30 Reopen. 31 Yeomanry. DOWN: 1 Ensure. 2 Hedge. 3 Myth. 4 Ravioli. 6 Proof. 7 Grenadier. 8 Twopenny. 11 Sari. 14 Trot. 15 Cigarillo. 16 Fib. 17 Albs. 18 Offender. 20 Rout. 21 Oak tree. 22 By-play. 24 Heave. 26 Bosun. 27 Spam.