Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Trump says Spirit Airlines announcement will come soon after US gave ‘final proposal’ Discount carrier Spirit Airlines completely shut down operations on Saturday, becoming the first industry casualty linked to the Iran war , after failing to secure creditor support for a U.S. government bailout plan. Transportation Secretary Sean Duffy held a press conference at Newark Liberty International Airport in New Jersey to give an update on recieving refunds and employees stranded by the immediate closure. “If you have a flight scheduled with Spirit Airlines, don’t show up at the airport; there will be no one here to assist you,” he said.…