The idea would be that in the past their buffer of liquidity has been enough that they cover up without having to go to the bank between opening hours, and that

The idea would be that in the past their buffer of liquidity has been enough that they cover up without having to go to the bank between opening hours, and that recent surge in withdrawals (this would be the "situation") has now dried up that buffer. Not speaking to how that reflects actual events, it's all consistent.