In the clip, Khalwale is seen confronting the official, accusing county administrators of corruption and negligence over the state of health services in Kakamega.
The disagreement has exposed growing divisions among opposition leaders who want to present a united front against President William Ruto’s government.
Deputy President and former Interior CS Kithure Kindiki has in recent weeks also hinted that the Kenya Kwanza government is open to working with Kalonzo