The Ukrainian army launched a "major offensive" to retake several towns that were seized earlier by pro-independence rebels in the country's restive east, authorities said Tuesday.
The latest round of peace talks on Ukraine crisis on Saturday ended in the Belarusian capital of Minsk without an agreement.
At least 19 people have been killed and dozens of others wounded in fighting in eastern Ukraine over the past day, underscoring the escalation of tension in the almost ten-month conflict, reports showed Thursday.
The Ukrainian parliament's decision to define Russia as an "aggressor state" is irresponsible and thoughtless, Russian Deputy Foreign Minister Grigory Karasin said Tuesday.
At least 14 people have been killed and over 100 others wounded in eastern Ukraine in the past day as hostilities between government forces and pro-independence insurgents continued, reports showed Monday.
Russian President Vladimir Putin has been trying to ask parties involved in Ukraine crisis to spare no effort in peacefully settling the situation.
French President Francois Hollande's brief visit to Russia will help settle many international problems, Russian President Vladimir Putin said Saturday.
Ukrainian President Petro Poroshenko on Tuesday called a local election in eastern regions to be held " under Ukrainian law".
Two Ukrainian soldiers were killed and two other wounded in clashes with eastern independence-seeking insurgents over the past 24 hours, a military spokesman said Tuesday.
Russia urged Thursday the Ukrainian parliamentary elections to be held on democratic principles, and called the international community to watch human rights situation in that country closely.
Ukrainian authorities should start talks on the state system in southeastern regions of the country, Russian President Vladimir Putin said Sunday.
Russia has handed over a total of 63 Ukrainian soldiers who crossed the border into Russian last week in exchange for all the Russian paratroopers detained in Ukraine, a paratroop commander said Sunday.
Russian President Vladimir Putin Friday called on militia in southeastern Ukraine to open a humanitarian corridor for encircled Ukrainian servicemen.
The Ukrainian National Bank (NBU) announced Tuesday a decision to raise the key interest rate to its highest level in 13 years in a bid to stem the soaring inflation and support the local currency.
The United States on Thursday accused Russia of firing artillery across the border to attack Ukrainian military positions.
Malaysia has announced the establishment of a joint investigation team on the MH17 incident, which comprises officials from the Netherlands, Malaysia, Britain and the United States.
Ukrainian President Petro Poroshenko and German Chancellor Angela Merkel discussed on telephone on Sunday the situation in eastern Ukraine and the inquiry into the Malaysian airliner crash.