Police detained 26 Ethiopian women origin after being found in an unfinished house in a village in Muranga County.
Villagers in Kwambirwa called police and informed them the group had been confined in the house and were being fed at night.
A team of police led by county commander David Mathiu visited the area and found the women aged between 22 and 32 in the house armed with their passports in the Monday evening incident.
They told police they were headed for South Africa for greener pastures and that a smuggler who was to take them there was missing.
Police said they recovered the 26 passports and 16 mobile phones from the women.
Two men including the owner of the house were detained for grilling.
Mathiu said they are investigating a case of human smuggling and that those detained will be taken to court ahead of planned deportation.
This is the latest such incident to be reported in a series so far.
Last month, 71 other Ethiopians were arrested in Athi River while waiting to be moved to an unknown destination.
Officials said the 38 male adults and 33 male juveniles were arrested after they were found loitering at Magorofani area off Mwananchi Road in Syokimau, Athi River East sub county.
Dozens of Ethiopians are arrested in the country as they try to use this route to other places like Tanzania, the Middle East and South Africa.
Police and immigration officials have decried increased cases of Ethiopian aliens nabbed in the country while in transit.
Officials from the Transnational Organized Crime are conducting joint operations to deal with the issue of human smuggling.
