The Kiambu Governor Ferdinand Waititu's wife, Susan Wangare, and 14 other people were on Wednesday arrested in Nairobi.
The 15 were arrested in connection with the illegal construction of buildings in the city.
Details have it that they constructed a building on a land in Nairobi without legal approval from the government agencies.
However, after being taken in, Governor Waititu phoned Sonko for the release of his wife and her accomplices.
The alleged phone call has gone viral on social media with residents giving their varied views.
Here are some of the reactions from Kiambu residents:
She was charged with illegal occupation of a building and was released on Sh80,000 cash bail. The case will be mentioned on September 8.