Kathmandu. Nepali Congress leader Gagan Thapa has expressed sorrow over the incident in which local Omprakash Mehta died from a police bullet in Devangunj, Sunsari, and appealed to all citizens to maintain restraint and social harmony.Issuing a video message through social media Facebook on Tuesday night, he urged to resolve the problem through dialogue and restraint, leaving aside provocation and revenge.Offering condolences to Mehta, who lost his life in the incident, Thapa expressed sympathy to the bereaved family and wished for the speedy recovery of the injured. He raised serious questions against the government, asking why the situation arose where...