Mr. Macharia says if a car is stolen, the owners can find it using his tracking device.

马查里亚说如果车被盗，车主就能使用追踪装置找到车。

One government official, commissioner Irungu Macharia said a security operation was still ongoing. He refused to confirm any casualties.

一名政府官员伊伦古·马查里亚表示，安全行动仍在进行中。但他拒绝证实有人员伤亡。

Kelvin Macharia has invented a tracking, or following, device that uses computers and wireless technology to help owners know where their cars are, and find them if they are stolen.

开尔文·马查里亚发明了一种追踪装置，这种装置使用电脑和无线科技来让车主知道他们车的位置，如果被盗还能找到车。

Emily Macharia, who started up a shop in Korogocho through funding from Concern Worldwide, says people are more vulnerable to theft if an aid agency representative delivers money to them directly.

埃米莉就是" 关注世界" 援助计划的受益者之一，她通过援助计划开了自己的店。她表示，如果援助机构将钱直接交给他们，收款人很容易被偷。