Cryptic crossword No 3,174

Across

1. Study group say hotel replacing Poles in the Prince Albert? (6)
2. ... however lively outsiders return for some kind of alcohol (5)
3. Country pub holding function more relaxed for audience ... (9)
4. See 13a
5. Few bats in New England recently introduced (10)
6. North American native, lacking company, starts to tour eastern university with Republican who is entertaining Speaker (9)
7. Knife taken from location when cycling back through outskirts of Solihull (7)
8. Lover in combat a Roman infantryman recalled (9)
9. Untrustworthy writer with paper to fling around (6)
10. Greeting friend coming round bringing bottle (5)
11. Is French Zone in Maine? (3)
12. You might chat to one in bed - bravo for Charlie! (3)
13. Group within family inject drug into African animals (5)
14. Game show from somewhere in Northern Ireland with no end of baloney (9)
15. Cheeseman's a moving target! (3)
16. Very slow sales at centre retailer detailed (5)

Down

1. Descent into Crater X clipping edge of crater disastrously (10)
2. Quiet glass maker including no lithium in commemorative item (6)
3. Uplifted part of denuded landform (4)
4. See 7d
5. Hearts of leafless corn, feta and a bit of broccoli? (6)
6. In commerce, do can start awkwardly (8)
7. Silly to nab outside of something long and sharp, something floating on the canal (6,4)
8. It may be integral to visit with American about copper (8)
9. Very vulnerable wino peed all over the place (4,4)
10. Wound tie around end of knob first (4)
11. Inquisitive sailor in east coast state (4)
12. Defeat superior force leading to Eliot's river (5)
13. Sounded embittered about The Lord of the Rings (6)
14. Physician 50/50 about current training session (5)
15. Make a connection across British landscape feature (6)
16. Put in place Cheeseman's 20th alternative strategy (7)
17. Love child comes first for musicians of Africa (4)
18. Crème pâtissière possibly beginning to lighten boring, boring job (7)