The incident took place around 11 pm last night.
Following the incident, Gahini sector officials convened a security meeting to remind residents on preventing disputes and providing information on time to curtail similar crimes.
The executive secretary of the Gahini sector, Joseph Rukeribuga has told IGIHE the murder was connected to property-related disputes.
“The woman connected the offense to what she claimed as mistreatment where the husband had sold 100kgs of beans and a goat the deceased and their son sold previously,” he said.
The woman told officials that her son recently slapped her over denying them a right to take part of home property for sale.
It is said that the woman hit the husband dead as they disputed over misuse of home property.
The husband was immediately taken to the Nyakabungo health center where he breathed his last.
The suspect is detained at Gahini police station.