4d - information, what seoul put out to state (3,5,5) - *E* S*U*H *A*E* - have tried a combination of red, south and paper but does not make sense. any ideas?
last two -
1d separate metal from fish (5) - *M*L* - all I can think is 'smelt' or 'smolt', but why other than fish?
21d don't start to drink mud! (4) O*E* - ???...
10a when engineers enter, swimmer gets a rest (8) - *R*A*H*R - is it 'breather', but why? 6d carried on cooking herb (9) -*O***N*** - is it 'continued', but why?