Central bank bosses enlist for war game to gauge threat of Lehman-style bust
game in Washington on Saturday to test how they would handle the collapse of a globally significant bank.
Amid growing [unease over the risks to global financial stability,](https://www.theguardian.com/technology/2026/apr/17/finance-leaders-warn-over-claude-mythos-as-uk-banks-prepare-to-use-powerful-anthropic-ai-tool) the most senior officials