Alleging corruption in the district administration level and some other local issues, some people among the audience at Kumar's public meeting turned on each other with broken pieces of plastic chairs, slippers causing injury to five, the sources said.
The Narhat block General Secretary Basant Rajvanshi suffered severe head injuries, while four others were also injured, they said adding the injured were rushed to a hospital.
Though some protesters were shown in video footage as throwing slippers and broken pieces of chairs in the direction of the Chief Minister, the officials denied any such incident taking place in Nawada.