Russian missiles have struck warehouses reportedly storing ammunition at a railway depot in the Ukrainian city of Pavlohrad, in an apparent effort to slow Kyiv’s preparations for its much anticipated counteroffensive expected to start shortly. Video posted on social media showed secondary detonations amid a significant blaze at the site of the strike, which came amid overnight missile launches against a number of Ukrainian cities by Russian strategic bombers. ... The size of the fire in Pavlohrad suggests Russia may have hit an important arms depot and comes after Ukraine’s recent attack on an oil storage facility in Sevastopol, Crimea....