•There was a temporary Standoff between police and youth as some youth were seen pelting stones at police cars.
•But the police retaliated by lobbing tear gas at the youths who disappeared into the alleys and shops.
Police teargas protesting youth in Kibra.
Unrest is simmering in ODM Party leaders' backyard Kibera as protesters gathered ahead of Azimio protests.
Police were seen patrolling the Olympic area as residents kept on gathering in twos in the area.
A spot check by the Star on Monday indicated that many shops were locked in the area as some youths were heard shouting.
Vuvuzelas could also be heard from far even as the GSU officers trooped into the area.
There was a temporary standoff between police and youth as some youth were seen pelting stones at police cars.
But the police retaliated by lobbing tear gas at the youths who had now disappeared into the alleys and shops.
Police were earlier seen collecting car tyres on the roadside in Ayanyi, Kibra.
The officers collected the tyres and put them inside a lorry that was packed nearby before they drove away with them.
As early as 5:30 am, security within Nairobi had been beefed up ahead of Azimio la Umoja Coalition's anticipated march on Monday.
Along Jogoo Road, security officers were seen patrolling the streets as residents started their day as usual.
In the Central Business District (CBD), commuters engaged in their normal activities as restaurants, supermarkets and businesses opened for the day as police also patrolled the streets.
Azimio la Umoja leader Raila Odinga made a clarion call to all Kenyans ahead of Monday's protests.
In his message, the former Prime Minister called on citizens to awaken the spirit of fighting oppressive regimes as they have done in the past.
He clarified that the match to the president's office is not about any tribe, race or religion, but it's all about the well-being of Kenyans.
Raila said Kenyans who want to be in charge of their fate can do it despite the threats being meted on them.
"My dear Kenyans, I'm not interested in your tribe, your race, your religion, your age. I am only interested in your happiness. We make possible the impossible. We are Kenyans. We set the trend," Raila said.