ARGHAKHANCHI: A 20-year-old man drowned while swimming in a local rivulet at Sandhikharka Municipality-15 in Arghakhanchi district. The deceased has been identified as Prem KC of Sirpa VDC-2 in Rolpa district, according to the District Police Office, Arghakhanchi. KC used to work as a construction worker in the district, said police.