The US is poised to approve the sale of Patriot missiles to Ukraine despite Volodymyr Zelensky resuming strikes against Russian oil refineries. On Friday, the US state department signed off on a transfer of up to 500 Pac-3 interceptor missiles to Kyiv, which will be funded by Ukrainian allies. Mr Zelensky has warned that Ukraine's dwindling supply of defensive weaponry means it will struggle to defend itself as Vladimir Putin prepares to hammer its power grid over the winter. However, the missiles could take years to arrive if, as expected, they have to be manufactured rather than drawn from the...