United States Secretary of State John Kerry has already arrived to Ukrainian capital, a source in the delegation said.

As reported, during the visit, Kerry will meet with the Ukrainian president, Prime Minister Arseniy Yatseniuk, Foreign Minister Pavlo Klimkin and members of the Ukrainian parliament.

The secretary will be discussing the reforms and ways to de-escalate the conflict in the eastern parts of Ukraine, the Ukrainian Foreign Ministry said.

"The visit will become another attestation of U.S. support for Ukraine. Among priority issues to be discussed at the meeting are progress in pushing the reforms in our country and searching for ways to de-escalate the situation in Ukraine," Foreign Ministry spokesman Yevhen Perebyinis said.