On Wednesday , a company-size contingent of U.S. Army paratroopers arrived in Swidwin , Poland , for training exercises at Warsaw 's request . Official : Gunmen fire at Ukrainian army helicopter near Kiev . Russians still hold buildings in Kiev ; Ukrainian leader restarts ` ` anti - terrorist '' operation . Russian President : U.S. has ` ` overwhelming influence '' over the new Kiev government . He says pro - Russian forces in Ukraine 's capital are ` ` not puppets '' of Russia .
Official : Gunmen fire at Ukrainian army helicopter near Kiev . Russians still hold buildings in Kiev ; Ukrainian leader restarts ` ` anti - terrorist '' operation . Russian President : U.S. has ` ` overwhelming influence '' over the new Kiev government . He says pro - Russian forces in Ukraine 's capital are ` ` not puppets '' of Russia .