Congress general secretary Randeep Surjewala, Youth Congress chief Srinivas B.V. and other party workers were detained by the police.
It's not clear yet who will be replacing Yediyurappa as the chief minister.
When about 200 police personnel attack relatives and property of a Dalit village pradhan with iron rods and bulldozers, it seems likely that caste issues are the motivation.
The Wire has so far revealed the names of 112 people who have may have been targets of surveillance through the Israeli spyware.