By Kate Abnett BRUSSELS (Reuters) – European Union countries on Friday approved a package of emergency measures aimed at pulling down surging gas and power prices that are stoking inflation, hampering industrial activity and inflicting sky-high bills on consumers ahead of winter. The deal came as countries were investigating the cause of leaks in Russia’s Nord Stream gas pipelines to Europe, and as Europe heads into an energy-scarce winter after Russia slashed gas deliveries in the wake of its invasion of Ukraine. Moscow blames the supply cuts to EU countries on Western sanctions. EU energy mi…