One person died after consuming illegal liquor at a Wines and Spirits shop in Umoja, Embakasi West Constituency.
One person went blind at the Kenyatta National Hospital after the incident.
Another one is still in critical condition at Mama Lucy Hospital.
Confirming the incident Embakasi West Liquor Chairman Charles Ayiro has said they have so far arrested seven people in connection with the illicit liquor but operations are still ongoing to get the main supplier.
An operation led by Ayiro after the incident saw the team break into several wines and spirits shops where they discovered syringes and substances suspected to have been injected in the lethal liquor.
Others who took part in the operation are,Embakasi West MP George Theuri,the area MCA Mark Mugambi,Deputy OCPD,area chief and residents which saw several wines and spirits shops in the area closed.