CNN could not independently confirm Bogomolets' claim of sniper fire.
At the hotel that had been converted into a triage center, bodies covered in bloodied sheets lay on the floor. Orthodox priests prayed over them.
The Interior Ministry admitted Thursday that its forces used firearms, explaining that it only did so to protect unarmed police who were in danger.
Ukraine's parliament later passed a resolution that security forces should stop using guns (something that's already illegal for protesters), back off from their positions around Maidan and denounce the "anti-terror" operation that had been announced earlier.
But whether this Thursday night resolution -- which doesn't need the president's signature -- has an impact remained to be seen.
In a statement that appeared to increase pressure on protesters, the Interior Ministry said it reserved the right to use force to free about 70 police officers it said had been taken hostage Thursday by protesters.
However, a number of people purporting to be police officers appeared on Ukrainian television saying they had joined protesters of their own free will. It wasn't clear whether those claiming to be police officers were among those allegedly taken hostage.
There was no sign of any captives when CNN crew went Thursday night to where they were thought to be held. A human rights group earlier claimed that any police who'd been held against their will had been released.
In one way, at least, Kiev got back to a semblance of normality Thursday. In addition to announcing his resignation from Ukraine's ruling party, the city's mayor Volodymyr Makeenko reopened the city's mass transit system -- which government officials had shut down to prevent protesters from reaching Independence Square.
But the unrest wasn't just in Kiev. Anti-government protesters have also hit the streets in Lviv -- about 540 kilometers west of Kiev, near the Polish border -- among other locales. Such sentiment is particularly prevalent in western Ukraine, which is more likely to side with Europe and against Yanukovych; Ukraine's east, meanwhile, has tended to support him and closer ties to Russia.
"The people gathering here represent every demographic of the city," said Jason Francisco, an Emory University professor who was one of many to submit CNN iReports from Lviv. "... It is fair to say that the city is virtually entirely behind the opposition. And this accounts for perhaps the most conspicuous thing about the situation here: The security presence is virtually nonexistent."
Roots of the crisis
The violence inflames a crisis that started in November, when Yanukovych reversed a decision to sign a trade deal with the European Union and instead turned toward Russia. Ukraine's population has long been divided between historic loyalties to Europe and its eastern neighbor.
The political strife has since ballooned well beyond that one issue, however, including the opposition's pressing constitutional reforms and to shift powers away from the president and to parliament.
And the bloodshed this get week has gotten the world's attention.
British Prime Minister David Cameron, for instance, talked by phone Thursday with his Polish counterpart as well as Russian President Vladimir Putin. German Chancellor Angela Merkel and U.S. President Barack Obama also discussed the Ukraine.
U.S. Vice President Joe Biden talked late Thursday with Yanukovych, who has also been in touch with Putin and U.N. Secretary-General Ban Ki-moon. In comments Thursday, the U.N. leader called for "genuine dialogue" and said he was "appalled by the use of firearms by both the police and protesters" -- even as he stressed it is crucial, especially, that authorities exercise restraint.
Russia, for one, has said it will send a mediator there at Yanukovych's request to negotiate with the opposition.
But the Russian ambassador to the U.N., Vitaly Churkin, said his government doesn't believe the opposition wants a dialogue. He accused protest leaders of invading government facilities as a buildup to a takeover of parliament.
"We think that this attempt to execute a violent coup should stop," he said.