KATHMANDU: Police on Wednesday arrested a trader for allegedly selling ‘plastic’ rice. According to Metropolitan Police Range, Kathmandu, Tanka Prasad Sherchan of Sano Bharyang-based Sherchan Brother Pvt Ltd was arrested for further investigation after the rice of RTC brand bought by Swoymabhu police was found to be suspicious. Police said they would send the rice sample to food lab for examination.