Out of the total 38,843 cases reported till 5 pm on Sunday, 24,064 have been classified as ‘under investigation', according to the Karnataka state covid-19 war room report.This includes 3658 cases of influenza like illness (ILI) and 617 severe acute respiratory infection (SARI) that are also sub-classified as ‘under investigation’, according to the report.Benglauru, which goes into a week-long lockdown from Tuesday evening, has reported 8807 new cases in a week and almost every case has been classified as ‘contact under tracing’, that makes the process appear as ongoing as against foregone.The large number of cases has compounded the problems of Bengaluru and the B.S.