CRYPTIC CROSSWORD: NO. 28,638

Across

1 Fish around Isle of Man may be source of energy (7)

9 Building material argument against Mediterranean island (8)

10 People having scruples about origin of trees (7)

11 Insinuation of popular sister taking Ecstasy before party (8)

12 Buddy left gold showing a lack of colour (6)

13 New fruit pots containing Eastern biscuits (5,5)

15 Hat like picador displays (4) 16 Generic shifts observed by company caretaker (9)

21 Opportunity to purchase small beer (4)

22 Masculine type goes public, producing delivery vehicles (4,6)

24 Championships appearing in TV credits (6)

25 Lab equipment trial with London Underground (4,4)

27 Persuasive talk from Liberal in argument (7)

28 Learned from two journalists accepting a cut criminally (8)

29 Agents in Laos unhappily shunning company (7)

Down

2 Mislaid details about head of Olympics being quarantined (8)

3 London police in charge, kettling everybody – that’s harsh (8)

4 All a person needs to change energy supplier (5,5)

5 Depressed, out of action, drink (4)

6 Scrape involving right messy sort (6)

7 Most of dwelling accommodating a German is atrocious (7)

8 Courage, as the girl’s love is married (7)

11 Complicated at home, worried after endless deception (9)

14 Goes and covers roof and points of entry (10)

17 Mysterious English boozer to the north of Morecambe (8)

18 A mistress full of energy needs a special cosmetic ingredient (4,4) 19 Suppress son and parent (7) 20 Shut down, getting shot (5-2) 23 Tycoon’s overweight pet? (3,3) 26 Fostered source of rancour in graduate teacher (4)