On Wednesday, police opened fire on protesters demanding statehood in southern Nepal, killing at least four people.
Since the protests began last month, an estimated thirty people including police officers have been killed.
Nepal is in the final stages of preparing a new constitution that would carve the country into seven federal provinces. Different ethnic groups staunchly oppose the idea because the government has failed to ensure political representation for marginalized communities.
Police official Saurav Rana reported that three protesters were killed on Wednesday because they were attacking police officers in Jaleswor town.
Police reportedly also shot tear gas at the protesters injuring several people.
One protester was killed when police opened fired in Bhardaha town while trying to clear a road with fallen trees.
The Madhesi ethnic group in southern Nepal organized the protests on Wednesday.