German Chancellor Angela Merkel warns sending weapons to Kiev risks escalating the conflict.
The protest was generally peaceful, though the group remains at odds with the National Guard.
As fighting around Donetsk's airport intensified, a passenger bus came under heavy fire in eastern Ukraine Tuesday, killing at least 11 people.
An estimated 13 people per day were being killed in Ukraine, violating the ceasefire agreement signed in September
Prime Minister Arseniy Yatsenyuk said the wall may take up to four years to complete.
The Ukrainian Security Service is investigating an explosion at a shop specializing in patriotic Ukrainian goods.
Though a cease-fire was reached with one group, another separatist group attacked the Donetsk airport.
President Poroshenko has promised the change following concerns that it's taking too long
In an effort to fight against corruption, Ukraine puts leaders on the polygraph.
Election sees mandate passed to Ukraine's President to end separatist conflict and steer the country away from Russia and into Europe's mainstream
Ukrainian intelligence recovered weapons including grenade launchers that they claim were to be used against "high ranking officials and critical infrastructure"
The Ukrainian President signed a law on Tuesday that will allow ousted leader Viktor Yanukovich to be tried by court in his absence for crimes carried out while he was in power
President Petro Poroshenko has announced plans for reforms which would allow the former Soviet republic to apply for EU membership in six years
"Please understand me correctly. Blankets, night-vision goggles are also important. But one cannot win the war with blankets," President Petro Poroshenko said
In Mariupol, Poroshenko promised 'crushing defeat' to Russian separatists if they violate ceasefire agreement
Ukraine's president claims that direct Russian intervention in the conflict has tipped the balance in favour of separatist forces
Putin and Poroshenko meet as Russian troops are taken prisoner on Ukraine soil
A senior aide to Ukrainian president Poroshenko said a large Russian military convoy had been heading for the border on Friday but had stopped after an appeal by Kiev to Russia
Poroshenko's new foreign minister said, "our priorities are obvious - they are a peace plan (for eastern Ukraine) and association with the EU."
Taking the oath of office in Kiev, Petro Poroshenko appealed to the rebels to lay down their arms, offering peaceful dialogue and immunity