A group of British passport holders filed a joint lawsuit on Thursday to have their Lebanese bank accounts re-opened after Bank Audi and Blom Bank shut them down. The suit, on behalf of 15 individuals by the Lebanese Depositor’s Union, was filed after the two banks suddenly closed down a number of bank accounts of Brits. Both banks began closing the accounts of British passport holders after UK courts ruled that Bank Audi had to pay a British citizen $US 4 million for freezing his accounts. Bank Audi has closed at least 60 bank accounts whose total value totalled $US 100 million, Dina Abou Zou…