miss sturgeon made the call in debate at king 's college , aberdeen , tonight .
said she wants powers ` as quickly as the other parties agree to give them '
scots labour leader jim murphy said move would ruin country 's finances .
drop in value of north sea oil would mean a £ 7.6 bn hole in the budget .
mr rennie , who openly admitted the libdems had broken a promise not to raise tuition fees , cautioned miss sturgeon against breaking her promise that last year 's referendum was a ` once-in-a-generation ' vote .
miss davidson was forced to accept the uk government could not stand in the way of another referendum .
mr harvie called for the end of north sea oil extraction -- in a city where thousands of workers rely on its future .