An argument aboard an MTA Bus Near USC ends with one man stabbed another under arrest. KNX News' Pete Demetriou reports people who use the MTA say the recent string of violent incidents makes them nervous about riding.

<p>An argument aboard an MTA Bus Near USC ends with one man stabbed another under arrest. KNX News' Pete Demetriou reports people who use the MTA say the recent string of violent incidents makes them nervous about riding.</p>

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