Mexico City dog attacks

From ANIMAL PEOPLE,  January/February 2013:

MEXICO CITY––Mexico City in mid-January 2013 initiated a mobile dog sterilization drive after dogs killed five people between December 15,  2012 and January 5,  2013 at Star Hill Park in Iztapalapa borough.  The last of the victims,  Alejandra Ruiz,  15,  made a cell phone call for help to her sister Diana as a pack of dogs mauled her and her boyfriend Samuel Martinez,  16.   Dogs at the park earlier killed another 15-year-old girl,  a 26-year-old woman,  and her eight-month-old child. Of 54 dogs captured in the park during the second week of January,  25 were released after sterilization.  The killer dogs were not identified.