A UK bank denied a customer's request to withdraw £2,500 of his own money ...

A UK bank denied a customer's request to withdraw £2,500 of his own money after questioning him about his intended use for the money.

Although he clarified that the amount was for purchasing a motorbike for his son, bank staff insisted on seeing evidence of the transaction.

After objecting to the bank's demands, a bank employee then called security on him.

What would you have done in this situation?