There has been an increase in the number of cholera cases and deaths in parts of the Democratic Republic of Congo where an outbreak has been ongoing since March, say humanitarian agencies. At least 6,910 cases and 384 deaths had been reported as of 3 October, according to a report by the UN Office for the Coordination of Humanitarian Affairs (OCHA), compared with a total of 3,896 cases and some 265 deaths by 20 July 2011.