New Internal Security Minister, Katoo ole Metito, and Director of Public Prosecutions, Keriako Tobiko, ordered his immediate arrest.
Mr Ntimama, while issuing a personal statement in Parliament, said the Embakasi MP had ordered his followers to kill Maasais in the constituency.
“It came out so clearly what he told locals on Monday,” said Ntimama. “Police have not arrested anybody or stopped the situation from getting any worse. You would say they were part of the conspiracy,” he added.
Defence Assistant Minister Joseph Nkaiserry called for the arrest and sacking of Waititu, saying the remarks were unfortunate and did not augur well, especially at a time the country was headed to elections.
“Mr Waititu belongs in jail ... in fact he should have been removed from the Cabinet a long time ago. What we have in this country is where wrong people occupy leadership positions,” he told journalists at Parliament Buildings Media Centre.
Nkaiserry said it was unfortunate to have a leader utter such words, saying Waititu has on many occasions behaved in an unruly manner that did not befit the status of a leader and had always gone scot-free.
He criticised the National Cohesion and Integration Commission and the Commissioner of Police for failing to arrest the Embakasi MP yet he spoke in the presence of law enforcers.
Waititu has expressed interest in running for Nairobi County governor, but Nkaiserry said his misdemeanor would be used against him.
Last year Waititu was picked up by police during a demonstration to protest the demolition of the Uhuru open-air market in Nairobi. He had gone to the scene after receiving calls from stall owners that the market was being demolished. Once there he ordered the traders to demolish a perimeter wall. He was arrested and taken to the Jogoo Police Station to record a statement.
Early this year, Waititu was arrested for a charge dating back two years ago where he was accused of inciting his constituents to oppose evictions from KPA slum in Embakasi in December 2010.
Waititu, who was charged alongside one Patrick Mulili, denied the charge and was released on a cash bail of Sh100,000. The matter is still pending before court.
He was arrested again in May after he tried to stop yet another demolition of houses built on a road reserve in his Embakasi constituency.
Led by AFC Leopards Chairman Alex ole Magelo, the Maasai lobby group leading the demonstrations said it was the constitutional and natural right for every Kenyan to live where he or she deems safe. “Waititu should know this is an electioneering period and such untimely sentiments are likely to breach peaceful coexistence. Our demand as the Maa group is that President Kibaki must sack Waititu as an assistant minister, within 36 hours,” said Kenya Maa Students Association official Raphael Olemaleto.
The lobby group said that Nairobi is a cosmopolitan city that belongs to all Kenyans.
The Maa group also wants Deputy Prime Minister Uhuru Kenyatta to kick such people who are insensitive and harbour tribal tendencies out of his TNA party, if he wants support from the Maasai.