Donald Trump said Ukraine “may not survive” as the White House put pressure on Volodymyr Zelensky to give up territory seized by Russia.Ahead of the start of peace talks in Saudi Arabia this week, Mr Trump suggested Ukraine may cease to exist as a sovereign state.Mr Zelensky has been told he must show he is willing to cede land occupied by Russia if he wants Washington to lift its ban on weapons and intelligence sharing.The US president has repeatedly called for Ukraine to sign a minerals deal that would give the US access to 50 per cent of Ukraine’s mineral...