Leaders of Britain, France, Germany and Poland arrive in Kyiv to push for 30-day ceasefire

The leaders of Britain, France, Germany and Poland have arrived in Kyiv for a symbolic visit to Ukraine, one day after Vladimir Putin hosted a set-piece military parade on Red Square. The visit comes as the US warned of intelligence about a big impending air attack on Ukraine. Keir Starmer, Emmanuel Macron, Friedrich Merz arrived in Kyiv on the same train on Saturday morning, while Donald Tusk travelled on a separate train. The four leaders met in the Polish city of Rzeszow on Friday night before departing. On Saturday, they will meet Ukraine's president Volodymyr Zelenskyy in a show of…