FRANKFURT (Reuters) – Top bankers in Germany voiced concerns on Monday about risks facing Europe’s largest economy as worries grow about a looming gas crisis. Germany, which is largely dependent on Russian gas to fuel its export-led economy, is bracing for a possible total halt in Russian supplies if Moscow steps up its use of gas as an economic weapon against the West during the conflict in Ukraine. The gas issue has both contributed to and come on top of soaring inflation rates of 8%. Christian Sewing, chief executive of Deutsche Bank, said that inflation has an “enormous disruptive potentia…