British Airways orders independent investigation over IT shutdown

British Airways has commissioned an independent investigation into the computer shutdown that left 75,000 passengers stranded over the bank holiday weekend, the head of its parent company has said.Willie Walsh, chief executive of International Airlines Group (IAG), also set out further details about how the catastrophic outage is thought to occurred and reiterated an apology to those affected.Hundreds of flights were cancelled after a shutdown of BA's data centre knocked out its systems, and rep