By Paul Carrel and Stine Jacobsen BERLIN/COPENHAGEN (Reuters) – Any intentional disruption of EU energy networks would meet a “robust and united response”, a top diplomat said, after several states said two damaged Russian pipelines to Europe were probably attacked, causing gas to spew into the Baltic Sea. It remained far from clear who might be behind the attack, if proven, on the Nord Stream pipelines that Russia and European partners spent billions of dollars building. Russia, which slashed gas deliveries to Europe after the West imposed sanctions over Moscow’s invasion of Ukraine, has also…