Ukraine and Russia clashed over natural gas sent via pipelines to Europe in a spat that could disrupt supplies from the former Soviet Union nation for the first time since the war started. The Gas Transmission System Operator of Ukraine said Russian gas flowing via one of two key entry points will stop from Wednesday as occupying forces disrupt operations, according to a statement on its website. The network manager said the fuel could still be rerouted to avoid a supply interruption. But Russian gas giant Gazprom PJSC said the switch isn’t possible because of how its system works. Russia has been sending gas via Ukraine normally despite the conflict, but Kyiv had already warned Russia […]