Police in San Francisco’s Ingleside District will be stepping up enforcement on San Francisco Municipal Railway buses next week after a recent increase in robberies and other crime, according to police spokesman Sgt. Wilfred Williams.

Police arrested two men last week for allegedly robbing Muni passengers of cell phones in the Ingleside District.

Williams said in addition to the recent robberies, the enforcement is also targeting graffiti and “other related disturbances.”

The undercover enforcement, “Operation Safe Muni,” will focus on the 9, 9x, 14, 24, 44 and 49 lines, according to Ingleside Station Capt. David Lazar.

Police are also still looking for a suspect who stabbed and seriously wounded an 11-year-old boy on Sept. 1 aboard an outbound 49 Muni bus in the Mission District.

Williams said today the man, whom witnesses had described as “scruffy-looking” and possibly homeless, had still not been found.

A sketch of the suspect can be found at http://www.sfgov.org/site/police_index.asp?id=110805.

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