The White House has blocked the transfer of Patriot missiles to Ukraine, US officials have said. The transfer of interceptor missiles from countries friendly to Ukraine requires the approval of Pete Hegseth, the US defence secretary. While Mr Hegseth has not formally rejected the deals involving countries other than the US – as the manufacturer, it retains control over the weapons – he has not completed the steps required to approve them, sources told The Washington Post. Last week, a Ukrainian official told the Post that Kyiv had "only a couple" of missiles – vital to intercepting Russian missiles –...