Two dozen people, including ten children, were injured when improvised explosives went off near a bridge along the Rangeli-Biratnagar road Friday morning.
According to reports, the injured personnel are undergoing treatment at the Koshi Zonal hospital at Biratnagar.
Security personnel later diffused over a dozen of bombs planted by the rebels at the bridge.
The rebels have been intensifying their attacks in the run up to the municipal elections slated on February 8.