Kuria has been at odds with Gachagua over the image.
There have been continued student unrest in many schools recently.
Raila and his allies have been working with President Ruto.
Gachagua is currently on a two-month tour of the US.
Gachagua was speaking hours after his team's convoy was tear gassed.
There have been speculations about Raila's political path for 2027.
The Orange Democratic Movement (ODM) party leader, Raila Odinga, has proposed a barrage of electoral reforms, including scrapping the voter's card. Speaking on
Circumstances surrounding the crash are not yet fully established.
The key terminal was shut down on Sunday afternoon.
The DCI said they found a round and teargas canisters in the activist's possession.