Cryptic crossword No 2,797

Across

1. Portable computer, one hidden in hippie's home (3)
2. Ring, Ring's drummer not a member of ABBA (5)
3. One night they drove this old thing down 25's southern stretch (5)
4. The Stones recorded Ruby on this (7)
5. Terribly soz for squeezing and using a lot of force (9)
6. They apply colours—various reds over a splash of yellow (5)
7. Perennial striker sacked (7)
8. Some fellow Googles "BJ" by accident (3,6)
9. Until the end of the abridged sketch (7)
10. With Israel at war, they cry (7)
11. BJ Thomas song: Tears of a Cloud? (9)
12. Eighteen months before anyone can remember? (4,3)
13. Jackass's feeding interrupted by American Woman (4-1-4)
14. Ignoring the odds, 17 set out for the Land of the Free (3)
15. Doctor, on purpose or not, lets the cat out of the bag (5,2)
16. Topless, Eve's embracing semi-nude star? (5)

Down

1. 10's other half in audience with lead singer? (4)
2. Man hunted by cowboys and a US state (7)
3. Sees fruit (5)
4. 1976 Bob Dylan ballad is recorded twice (4)
5. Extensive measures briefly employed in Westminster? (3)
6. I proceed to be cast ... and cast again (8)
7. Marvel superheroine's stunning weapon (7)
8. What might inscrutable coteries be? (8)
9. Sound, and nothing but (4)
10. Simon & Garfunkel's second-last hit is crossover? (6)
11. EW&F song (radio edit) (4)
12. Group from Sweden's members taking part in amateur open (6)
13. Film right at a critical time—between bingo and things getting out of hand (1,4,4,5)
14. Bread starter's second stage: fermenting (5)
15. See 21d
16. Kinky bandleader—dare I say very kinky? (3,6)
17. Unknown group runs around? Quite the opposite—Phil Collins played with them! (5,1)
18. Cissy's issue? Non-white youths rioting (7,7)