DHANKUTA: A youth has gone missing in the Arun river. The incident took place on Thursday afternoon as Tek Bahadur Manandhar,15, of Sinhadevi Chowk of Pakhribas municipality was trying to bathe in the river, police said. Manandhar had reportedly gone to take part in the cremation of his neighbour and was taking a bath after the rituals were over, Dhankuta police spokesperson Bimal Basnet said.