The provided article text does not contain the actual story content — only the Daily Mail website's navigation menu and a list of unrelated headlines from the same day. No details about the drowning incident, the child, the foster care arrangement, or the mother's reaction were included in the text supplied.

Based solely on the headline, a six-year-old boy died by drowning while in the care of a foster family, and his biological mother has expressed outrage over his death. No further specifics — such as location, date, the circumstances of the drowning, or any response from child welfare authorities — were provided in the source text to summarise.