5  Huge opponents heading off for sumo wrestling (8)

 9  Early bird with nothing in schedule (7)

10 Facet, or how one might make it turn to face (6)

11 A lesson with part that's violent (1,4,2,3,5)

13 It might be served in fancy sushi cafe (4,5)

15 Criticise rap - it's attention-seeking noise (5)

18 The sound of one laugh//Is followed by one thousand//Then universal (5)

19 Saw Oliver Twist on street where one can suit oneself? (6,3)

22 How a beast might attract a mate, especially a polar bear perhaps? (6,9)

25 Mighty good man headed off evil (6)

27 A bit of a cold fish? (7)

28 Insisted upon a dessert cocktail (8)

29 Both sides of the Atlantic (East to West) host party for puzzling poor relation (6)

 2  This bomb, this crash endlessly devastated this city (9)

 3  Oddly, Gazza goes around greeting informally as "dumpling" (5)

 4  In a state having lost £1,000 at horserace (8)

 5  Wild stray cat I rehabilitated (7)

 6  Don and amen are two examples, but could be lots (6)

 7  Where a cat, or a mouse, might sit (3)

 8  Institution that teaches Tesla and Siemens for example (5)

12 Weather in Seattle essentially wet (5)

14 Confirm penetrating smell is bullshit (5)

16 Karate move with weapon or implement (9)

17 A Nation's capital is having terrible housing for key workers (8)

20 Assembled and beginning to abandon ship in the middle of a sea (7)

21 Struggle described at start of Leviticus and Exodus (6)

23 Letters A, B, C, D, E, F and G (5)

24 Less than half her parts were written by A Bennett (5)

26 Japanese character - it has singular meaning (3)