NATIONALColombo reports highest number of COVID-patientsStaff WriterJune 18, 2021June 18, 2021 by Staff WriterJune 18, 2021June 18, 2021021 (UTV | COLOMBO) – The Colombo District reported the most patients related to COVID-19 yesterday (17) with 562, the National Operations Centre for Prevention of...