The Donetsk and Luhansk regions are territories in dispute between the Ukrainian government and pro-Russian separatists.
Negotiations to stop the fighting resulted in agreements for a ceasefire, though the fighting continues.
A
police representative said that supporters of a political party
attacked the parliament building and police confronted them. Protesters threw a grenade at police, lawmaker.
Interior Minister Arsen Avakov said at least 90 people were injured, four in critical condition, and one police officer died.