An audit report has been submitted to the Indore administration on the deaths of 21 persons in Bhagirathpura, with findings suggesting 15 of the fatalities may be linked to a recent outbreak of vomiting and diarrhoea in the area, according to sources.

Five new cases of diarrhoea, linked to drinking contaminated water in the Bhagirathpura area of Indore, the country`s cleanest city, were found on Tuesday, a Madhya Pradesh health department official said.