Polls are closed. First exit polls show Poroshenko and Yatsenyuk's bloc within two points of each other.
According to an exit poll provided by the Fund for Democractic Initiatives, the estimated results are as follows (These are not official results):
Petro Poroshenko Bloc: 23%
Yatsenyuk's People's Front: 21.3%
Samopomich (Self-Reliance, run by Lviv mayor Andriy Sadovyi): 13.2%
Opposition Block (Largely former Party of Regions members): 7.6%
Radical Party (led by firebrand Oleh Lyashko): 6.4%
Svoboda (Freedom, ultranationalist party): 6.3%
Batkivshchyna (Fatherland, led by Yulia Tymoshenko): 5.6%
There have been mixed reports of ease of voting in some areas near separatists controlled territories in Luhansk and Donetsk. In this Reuters video near the front-line, a polling station mostly fills with soldiers. Two elderly women say they're voting for "peace and quiet."
As of 6 P.M. local time, voter turnout in Luhansk was at 29 percent.
Here's video of Poroshenko voting earlier today. He said he was confident the vote would bring a "victory for democracy and a victory for a pro-European Ukraine."
As we have previously reported, 16 Darth Vaders are vying for parliamentary posts in today's elections. Here, an election worker tells an outraged Darth Viktorovich Vader, a candidate from the Internet Party of Ukraine, that he cannot vote unless he removes his mask. Mr. Vader refused.
Election monitoring group: no serious violations so far
In an interview with RFE/RL's Ukrainian Service and Espresso TV, Olkesandr Neberykut, an analyst with the OPORA election monitoring group, says there have been some violations, but most have been "of a technical nature. In general, none have been of an organized type."
(Brazil's population is almost three times the size of Ukraine's)
Crimeans vote in Kherson, a city near the de-facto border with Russian-annexed Crimea. The peninsula will have no direct representation in the new parliament.
No voting in eastern Ukrainian town controlled by Kyiv, according to battallion commander
The commander of Ukraine's Aidar battalion tells RFE/RL's Ukrainian Service that members of the pro-Kyiv fighting force in the eastern Ukrainian town of Schastya (literally, Happiness) have been unable to vote.
"Neither the fighters, nor the residents of Schastya, nor people who came from [separatist-controlled areas of] Luhansk were able to vote," said Serhiy Melnichuk.
This map provided by Hromadske TV shows the expected voting status of areas in Luhansk and Donetsk regions. Schastya is about 20 kilometers north of the city of Luhansk.
40 Percent turnout as of 1600 Kyiv time, according to the Central Election Commission