The Ukrainian Foreign Ministry voiced outrage Wednesday against Russia's intention to set up border controls at the straits separating Crimea from Ukraine.
Russia said Tuesday it has halted the transfer of military equipment and weaponry in Crimea to Ukraine, warning the West against weapons deliveries to the crisis-torn country.
U.S. President Barack Obama and his Russian counterpart Vladimir Putin on Monday expressed sharply different views on the escalating unrest in eastern Ukraine, both urging the other side to help stop the turmoil.
Ukraine on Monday urged Russia to stop interfering in its internal affairs in response to Moscow's calls on Kiev to establish a federal form of government.
Ukraine on Tuesday appealed to the Budapest Memorandum guarantor countries to set up an emergency commission to de-escalate the ongoing crisis in the country.
Moscow will lend a helicopter to Ukrainian inspectors who asked to carry out a monitoring mission over Russia's Belgorod and Kursk regions, the Russian Defense Ministry said Monday.
Moscow gave permission to Kiev for an inspection flight over the border region between the two countries, Russian Defense Ministry said Wednesday, in an apparent effort to clear concerns that Russia is building up military presence there.
The Ukrainian Foreign Ministry has dismissed reports Kiev is allegedly in talks with the United States over a possible deployment of missile defense systems in Ukraine.
U.S. President Barack Obama and German Chancellor Angela Merkel agreed on Thursday to coordinate with the European Union (EU) in their response to ongoing violence in Ukraine.
UN Secretary-General Ban Ki-moon on Tuesday urged the "immediate renewal of genuine dialogue" in tackling the current crisis in Ukraine.
German Chancellor Angela Merkel expressed concerns on the situation in Ukraine on Thursday at a cabinet meeting in Meseberg, after first deaths in Kiev were reported.
Moscow was enraged by foreign intervention in Ukrainian internal affairs, the Kremlin has said.
U.S. Vice President Joe Biden on Thursday urged Ukrainian President Viktor Yanukovych to work toward an "immediate" de-escalation in standoff between protesters and security forces in the capital city of Kiev.
Russia decided to provide Ukraine with loans and cut price for gas supplies because Moscow sees Kiev as a brotherly nation in difficult situation, President Vladimir Putin said at his annual press conference on Thursday.
The United States was considering sanctions on Ukraine in response to its curbing of protests against the Ukrainian government's decision not to sign an association agreement with the European Union (EU), the State Department said Wednesday.
The Ukrainian government said Thursday that it will suspend preparations for a landmark trade deal with the European Union (EU) to avoid straining ties with its eastern partners and Russia.
Russian President Vladimir Putin Thursday denied pressuring Ukraine to halt its integration with the European Union (EU).