KYIV, Ukraine (AP) — Russian President Vladimir Putin and Chinese leader Xi Jinping vowed Friday to deepen their bilateral cooperation against the backdrop of Moscow’s 10-month war in Ukraine, which weathered another night of drone and rocket attacks following a large-scale missile bombardment. Putin and Xi made no direct mention of Ukraine in their opening remarks by videoconference, which were broadcast publicly, before going into private talks. But they hailed strengthening ties between Moscow and Beijing amid what they called “geopolitical tensions” and a “difficult international situation,” with Putin expressing his wish to extend military collaboration. “In the face of...