Cryptic Crossword No 144 by Chalicea

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The  unclued lights are of a kind.

Across

    9  Ludicrous absolute hot air! Exactly! (2,1,4)

  10  Unclued light (7)

  11  Most excellent fellow – ring-keeper (4,3)

  13  Look out! Cat hung accidentally (7)

  14  Expressed warm approval taking in court expert (9)

  15  Unclued light (5)

  16  Wheezes with sibilant sounds (7)

  19  Unclued light (7)

  22  Unclued light (5)

  24  US plant straggling in Iowan kerb (4-5)

  26  Ref making a comeback circling round genuine German fighter in Scotland (7)

  27  To finally bring into being plant appendage (7)

  30  Platform – peculiarly rum sort! (7)

  31  Unclued light (7)

 

Down

    1  Flies round broken branch in Balmoral (4)

    2  Unclued light (4)

    3  Agitated mom becoming involved in maths – such species don’t exist any more! (8)

    4  Unclued light (6)

    5  Manned it in a bad way, one behind the other (8, 2 words)

    6  Surgical procedure unexpectedly posh in charity outlet in Australia (2,4)

    7  Copper after copper chasing returned old ox and snake (8)

    8  Knowledge of structure and materials of 12 – soggy one unfortunately (8)

  12  Unclued light (5)

  16  Brandish schedule for type of graph (8)

  17  Lionise, including international culture initially but lacking Latin, use ancient Greek dialect (8)

  18  Structure holding cutting blade was raised by French, a primarily  murderous equipage (3,5)

  20  Matured early, are riper taking last first (4-4)

  21  French kings with time to revel noisily (5)

  23  Unclued light (6)

  25  Exotic hadj OK for professor in Muslim school (6)

  28  Unusually neat to place one’s stake (4)

  29  Nobleman’s couple of rivers and lake (4)

Here is last week’s solution: