US President Donald Trump said he is “not happy” after Russia launched its deadliest wave of attacks on Kyiv in nine months, telling President Vladimir Putin to “STOP!” as he attempts to push Ukraine to agree on a contentious ceasefire proposal.

President Donald Trump on Thursday offered rare criticism of Vladimir Putin, urging the Russian leader to “STOP!” after a deadly barrage of attacks on Kyiv, Ukraine's capital. “I am not happy with the Russian strikes on KYIV.

President Trump posted on social media Thursday morning to express he's "not happy" with the Russian strikes on the Ukrainian capital Kyiv, calling the strikes "very bad timing" amid peace negotiations and telling Russian President Vladimir Putin to "STOP!