Police in Uasin Gishu County are holding 14 suspects over the attack on ODM leader Raila Odinga's convoy in Kebenes, Soy Constituency on Friday.
Uasin Gishu County Commissioner Steven Kihara while confirming the arrests said police are also pursuing a senior politician who has been linked to the incident.
Kihara added that the politician will be arrested to serve as a lesson to others.
"We will not allow that to happen in our country and anyone doing that will not be tolerated," he said on Saturday.
The arrests come after Interior Cabinet Secretary Fred Matiang'i directed the National Police Service to investigate and arrest youths involved in the incident.
In a statement, CS Matiang'i condemned the incident, saying that those who organized the attack should also be arrested.
"I call upon the National Police Service to investigate the matter and ensure that all the culprits and their masterminds are made to swiftly and decisively face the consequences of their criminal actions," he said.
The CS noted that such attacks take the country back to the days it has worked hard to put behind, which was as a result of political intolerance.
"The regrettable incident is a sad and atavistic reminder of the ugly face of violent political intolerance that our beloved motherland has worked hard to consign to the annals of a painful history in the last 14 years," Matiang'i added.