Police official Kamal Singh Bam said protesters in Birgunj town were violating a curfew order and attempting to attack the police station when officers opened fire, killing four. The town is about 160 kilometers (100 miles) south of the capital, Kathmandu.
Another protester was killed in Kalaiya town, just east of Birgunj, when residents there also violated curfew orders imposed to stop violent demonstrations.
