ELMAU, Germany (AP) — President Joe Biden on Sunday praised the continued unity of the global alliance confronting Russia, as he and other heads of the Group of Seven leading economies strategized on sustaining the pressure in their effort to isolate Moscow over its months-long invasion of Ukraine. Biden and his counterparts were meeting to discuss how to secure energy supplies and tackle inflation, aiming to keep fallout from the war from splintering the global coalition working to punish Moscow. They were set to announce new bans on imports of Russian gold, the latest in a series of sanctions the club of democracies hopes will further isolate Russia economically over its invasion of Ukraine. Leaders also were coming together in a new global infrastructure partnership meant to provide an alternative to Russian and Chinese investment in the developing world.