Seven numbered clues in order of perceived difficulty(easiest first), answers all begin with “O” and are linked by a final clue.
1.Damn US mob roughed up Swedish investigator(9)
2.Works primarily on plutonium enrichment, reluctantly, with heavy heart(5)
3.Implicated in Koran getting burnt, like David Dickinson?(6)
4.Must female equivalent wear trousers when King departs?(7)
5.Japanese art dubiously transcribed by News of the World - “yellow team surrounding whales”(7)
6.Sour ducks ranting(3,2,3)
7.It appears to be one short of a ton(5)
Sing through previous version of “7 seconds”(7)