BIRGUNJ: Cadres of the United Democratic Madhesi Front vandalised an Ncell centre for defying bandh in Mahadevsthan of Birgunj on Sunday. A group of persons riding on two to three motorbikes vandalised the centre by hurling stones at around 12 noon. Following the incident, a large number of security personnel have been deployed in various places of Birgunj. Madhes-centric parties have been staging demonstrations for the past 31 days against the proposed delineation of provinces.