HONG KONG (Reuters) - Mainland China reported 24 new COVID-19 cases on Oct. 31, down from 33 a day earlier, the country’s national health authority said on Sunday. Of the new cases, 21 were imported infections originating from overseas. The National Health Commission said in a statement that three local infections were reported in the western region of Xinjiang.The commission reported no new asymptomatic cases, down from 38 a day earlier. China does not count symptom-less patients as confirmed COVID-19 cases. Total confirmed COVID-19 cases to date in mainland China stand at 85,997. The death toll remains at 4,634.