Germany will send Patriot air defence missiles to Ukraine from its national stocks, Defence Minister Boris Pistorius said on Tuesday, warning that Russia was likely to intensify its air campaign against Ukrainian infrastructure as winter approaches. Speaking at a videoconference of nations supporting Ukraine, Pistorius said he had decided to "deliver urgently" additional PAC-2 interceptor missiles. Patriot missiles are currently the only effective defence against Russian ballistic missile attacks on Ukraine, officials say. "Since Russia is only advancing very slowly at the front line, it is trying to destroy Ukraine's economic base and critical infrastructure by way of air raids...