US President Donald Trump claimed relations with Russia had hit an all-time and very dangerous low yesterday, putting the blame on Congress after he reluctantly approved sanctions against Moscow. <br/><br/>Trump's outburst came a day after he grudgingly signed off on the sanctions, calling the legislation significantly flawed and adding that some of its provisions were unconstitutional. <br/><br/>After it, Moscow called the sanctions a declaration of economic war that had exposed the US President's weakness as Trump lashed out at his own lawmakers who had overwhelmingly approved the measures.<br/><br/>Trump's Presidency has been overshadowed by allegations that his team colluded with Moscow during last year's US Presidential campaign in which he defeated Hillary Clinton. <br/><br/>Meanwhile, Yesterday reports emerged that special investigator Robert Mueller had impaneled a grand jury to investigate the issue, a step toward possible criminal indictments.