Has the relationship between Donald Trump and Vladimir Putin gone off the rails? A popular Russian newspaper thinks so. It turned to trains to illustrate the current state of US-Russian ties. "A head-on collision seems unavoidable,

As the relationship between President Trump and President Putin continues to deteriorate, with Trump threatening harsher sanctions on Russia if a ceasefire agreement with Ukraine is not reached, CNN’s Frederik Pleitgen talks to Moscow residents about their thoughts on the tensions between the two countries.

The US president has performed a complete U-turn, deploying nuclear subs to Russia and bringing forward a deadline on sanctions

The Kremlin warned Monday against “nuclear rhetoric” after President Trump repositioned two nuclear submarines because of what he called “foolish and inflammatory statements” by former Russian president Dmitry Medvedev.

President Trump is rattling the U.S.’s formidable nuclear saber amid his growing frustration with Russian President Vladimir Putin’s refusal to halt the war in Ukraine, just days ahead of Trump’s deadline for a ceasefire.