The head of the Ukrainian Orthodox Church Patriarch Filaret accused Russia of "Aggression" and "evil".
Russian church Patriarch Kirill prayed to God, the designs of which at the end, who wanted to tear apart from Russia and the Ukraine.
Pro-Russian activists in the East continue to occupy offices.
Media reported several people killed in a Gunbattle close to the eastern town of Slavyansk Russia.
Reports of deaths in the region showed up before but not independently confirmed.
A mediator from the Organization for security and cooperation in Europe (OSCE) is planned, talks with them on Sunday.
Ertogrul speaks, who heads the special OSCE mission in Kiev, said his Deputy in Donetsk to try would be reached on Thursday to the crisis to make it easier to comply with an agreement.
"Revive Ukraine"In his Easter message, Patriarch Filaret said: "against our peace-loving nation, which has voluntarily given up nuclear weapons aggression took place, there was an injustice.
The Ukraine interim Prime Minister Arseniy Yatsenyuk: "President Putin has a dream of the Soviet Union to restore""A country which committed aggression the integrity and the inviolability of the territory guarantees. God on the side of evil can be the enemy of the Ukrainian people is doomed to defeat, "he said.
"God, help resurrect the Ukraine to us."
In Moscow urged Patriarch Kirill for peace, say it "should be in the hearts and minds of our brothers and sisters by blood and faith rule".
But he said Ukraine also was "spiritually and historically" with Russia, and he prayed to have the "legitimately elected".
"We are a people before God," he said.
Ukraine's President, Oleksander Turchynov said in his Easter message Act: "We live in a fateful time when the Ukrainian people decisively confirmed, their quest for freedom and justice."
Ukrainian Orthodox believers mark Easter in Donetsk, as Olga Ivshina reportsA pro-Russian activist in a covered building in the Slavyansk
In an interview in full on Sunday, the press later on NBC meet broadcast interim accuses Prime Minister Arseniy Yatsenyuk of Ukraine Russian President Vladimir Putin attempting "To restore the Soviet Union".
When Mr Putin was successful, says Mr Yatsenyuk, it would be "the greatest catastrophe of the century".
Ukraine has been in crisis since President Viktor Yanukovych was overthrown in February.
Russia then annexed the Crimean peninsula - part of Ukraine, but with a Russian-speaking majority - in a movement, the international outrage caused.
The annexation was followed by a referendum on Crimea, which secured to join a parade in the Russian Federation.
In several Eastern Ukrainian cities occupied building pro-Russian activists then, helping many in Moscow.
"Illegal"The illegal military groups must be resolved in the Ukraine and that building occupy the Government need to be defused and leave agreed, during talks in Geneva on Thursday, Russia, Ukraine, EU and US.
But the separatist spokesman in Donetsk said that the Kiev Government "illegal", and vowed they would not go until it resigned.
Swiss Envoy Christian Schoenenberger, whose land the OSCE Chair, said that the monitors had talked some dissidents in the East.
"For the time being is the political will not pull out," he said.
Ukrainian Foreign Minister Andriy Deshchytsia said that operations against the pro-Russian fighters over Easter have been put out.
Ukrainian interim authorities have appealed for national unity and promised to meet the requirements of the pro Russian demonstrators.
These include the decentralization of power and guarantees for the status of the Russian language.
But the United States warned the next Central and more sanctions are against days Russia has threatened if it does not abide by the agreement.
US Vice President Joe Biden is set to visit Kiev on Tuesday.
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