Outspoken Machakos Senator Johnson Muthama is under house arrest while Suna East MP Junet Mohammed's car has been surrounded by Flying Squad police officers at the Nation Centre.
Kitutu Masaba MP and ODM National Treasurer Timothy Bosire was also picked up by CID officers at his Karen home Tuesday morning for questioning.
Bosire was first put under house arrest before he was taken to the CID offices.
Inspector General of Police Joseph Boinnet had ordered the arrest of the leaders over hate speech remarks.
More to follow...