No humanity and unfriendly service

On the 15th April I had disputed two unauthorized debit orders from my account.I had requested a stop order for these debits.Today as soon as money went into my account a debit order was taken.When I called the 0860 number Rebecca was firstly was rude.Secondly I cannot reverae the debit order telephonically which I was able to do on the 15th and she says that on the 13th the rules changed.Now she says the branches are closed on a Saturday due to the lockdown.Monday is a holiday I don't have food in my house how am.i supposed to reverse the debit when I cannot get to a branch let alone get help telephonically from rude call center agents.I have paid the particular company that debitted my account in full on the. 22 April I don't have any food on my house I cannot wait till next week Tuesday to get my money reversed is there anyone who can help me.