The deceased are Narayan Khadka, 50, and Som Bahadur Tamang, 16, of Dhorthali-4, according to District Police Office.
The injured are being treated at Sadabahar Hospital in Khadichaur.
CPN-UML General Secretary Shankar Pokhrel said, “We are working to build the nation. UML will build the country. Let us work. Only UML can work in a way that builds the nation.”