NATO leaders were set Wednesday to invite Finland and Sweden to join after Turkey dropped objections, as the alliance looked to revamp its defences at a summit dominated by the war in Ukraine. More than four months after Russia invaded Ukraine, upending the European security landscape, leaders gather in Madrid for what NATO chief Jens Stoltenberg called a "historic and transformative summit" for the alliance's future. Ukrainian President Volodymyr Zelensky addressed the meeting via videolink to renew Kyiv's pleas for accelerated weapons deliveries from its allies. NATO countries, which have already committed billions of dollars in military assistance to Kyiv, will agree a "comprehensive assistance package to Ukraine, to help them uphold the right for self-defence". "We meet in the midst of the most serious security crisis we have faced since the Second World War," Stoltenberg said. "We'll state clearly that Russia poses a direct threat to our security." Ukraine's President Volodymyr Zelensky appears on a giant screen as he delivers a statement at the start of the first plenary session of the NATO summit. Photo: AFP NATO is due to launch the largest revamp of its defence and...