Cryptic crossword No 3,750

Across

1. Sending out online newsletter… (8)
2. Losing head after work incompetence (11)
3. …as a consequence, ”Zuckerberg out”, according to some characters on the inside (4)
4. Azed cracks complex gamble (6)
5. She’s paying for a place at table - beaten Victoria Coren outright, ultimately (6)
6. Tout rail careers class (8)
7. Putting in place criminal trap to ensnare a criminal into (10)
8. Ace-ten is pivotal position (4)
9. Performs ascent up the pole (6)
10. ‘Party member in toilet’ exposé’s latest is from what source? (6)
11. Welsh rugby player - large target (6)
12. Judge visits after leaving hotel excursions (6)
13. Twisted metal ‘Band of Mum and Dad’ said to be the best, puzzlingly? (10)

Down

1. Introductions to all toccatas, transposed uniformly, naturally eventually harmonise (6)
2. Ladies’ relatives turn over study (4,4)
3. Still another party member has time to embrace Grandmother (8)
4. Statisticians led by work on current national independent views (8)
5. Presently present, unseen? (7)
6. Water for Macron after odd bits of giant cake (6)
7. Temperature a hundred and one, become unresponsive (8)
8. Go back inside - never ever tell (6)
9. Distribute 504 unwrapped masks (6)
10. It was drawn, in the past, for a fee (6)
11. More for one to mash up (6)
12. BR sleeper is surprisingly able to be controlled (11)
13. Reported end of European country (7)