Lorna Slater is under mounting pressure to explain whether a £9m loan made to Circularity Scotland will be paid back if the recycling firm collapses.
The Scottish National Investment Bank, which is funded by taxpayers, handed the cash to the not-for-profit firm as it prepared to launch the deposit return scheme (DRS).
But Circularity Scotland was yesterday forced to call in administrators as it teeters on the verge of collapse.
