The women, one aged in her 80s and her 45-year old daughter, were killed in the village of Ihugi in Tanzania's northern Shinyanga province late on Tuesday.
Three men slit their throats and then chopped their bodies up, local police chief Justus Kamugisha said, adding that their neighbour was suspected of carrying out the attack after he believed they had made him unable to have sex.
A 40-year-old man, who also accused the women of poisoning his mother last year, has been arrested.
The attack follows the killing last week of seven people in a separate attack in western Tanzania, burned alive in their huts, who were also accused of witchcraft.
Belief in witches and black magic remains strong in many parts of Tanzania.
A local rights group, the Legal and Human Rights Centre (LHRC), has estimated as many as 500 "witches" are lynched every year, based on reports that counted some 3,000 people killed between 2005 and 2011.
Many of those killed were elderly women, the centre said.
The centre said that many local people believe that witchcraft is behind every misfortune -- from infertility and poverty to failure in business.
Past attacks have included a series of bloody assaults against albinos, as well as against young children.
In Tanzania, albinos are killed and dismembered because of a widespread belief that charms made from their body parts bring good fortune and prosperity.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
