NAIROBI, April 15 (Reuters) - Police shot dead two people when Kenya's dreaded Mungiki gang took to the streets again on Tuesday, presenting a brazen challenge to Kenya's new coalition government in only its second day in existence.

A Reuters Television journalist saw two people who police had shot dead in Nairobi's Industrial Area, where witnesses said Mungiki members were stoning cars. Police presence across the Kenyan capital was heavy, a regular sight in the nation since a disputed Dec. 27 election spilled into ethnic violence. (For full Reuters Africa coverage and to have your say on the top issues, visit: http://africa.reuters.com/ ) (Editing by XXX)

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