Putin has admitted there are problems in his war with Ukraine and Donald Trump needs a win – this is the chance for Ukraine and her allies to force the collapse of Russia’s army and push back against its land grab, writes world affairs editor Sam Kiley

Russia is under increasing pressure in Crimea and across its energy sector. President Donald Trump should bolster support for Ukraine.

The Russian leader made what appeared to be a rare admission of setbacks, commenting on the latest round of Ukraine’s retaliatory strikes on energy infrastructure.