G7 leaders on Thursday agreed to lend Ukraine $50 billion generated from frozen Russian state assets on the first day of a summit that also saw the US sign a 10-year security deal with Kiev to ensure the country can continue to defend itself against Russia. US President Joe Biden hailed the steps taken at the summit as a sign that Russian President Vladimir Putin “cannot wait us out.” “You cannot divide us and we will be with Ukraine until they prevail in this war,” Biden said during a joint press conference with Ukrainian President Volodymyr Zelensky on Thursday evening. His remarks came afte…