Security forces in Bishkek, the capital of Kyrgyzstan, have opened fire on anti-government demonstrators, BBC reported.
Eyewitnesses say that at least four people have been killed.
The authorities have declared a state of emergency in Bishkek, and the cities of Naryn and Talas.
Protesters in all three cities have been trying to to seize government buildings.
Matt Siegel is a correspondent with Agence France Presse in Bishkek.