PNC Bank N.A. Bank Account Or Service Complaint

PNC Bank N.A. Bank account or service department,

Checking account Account opening, closing, or management Illinois

PNC closed out my checking account back in - of -. They sent no letter or explanation as to why and took $170000.00 of my money. As of Friday - -, - there is a small balance in the account but it is still open and there is a hold on it. I want to know how a bank can get a way with this. Giving a customer no reason as to why they are closing the account by way of - CLAIMS DEBIT. I called several times and asked for an explanation and never received anything. ( I have enclosed a copy of the last statement of the checking account showing the withdrawal. )