The European Commission proposed an emergency brake on natural gas prices to prevent excessive spikes, as it seeks to limit the damage to the economy from Russia's continuing squeeze on energy. Rachel Morison reports on "Bloomberg Markets: European Close." Follow Bloomberg for business news & analysis, up-to-the-minute market data, features, profiles and more: http://www.bloomberg.com/ Connect with us on... Twitter: https://twitter.com/business Facebook: https://www.facebook.com/bloombergbusiness/ Instagram: https://www.instagram.com/quicktake/?hl=en