A fight among rival drug organizations for control of trafficking routes through Nuevo Laredo has turned it into one of the most violent cities along Mexico 's border with the United States , and the shootings appeared to be the latest round in that fight , the authorities said .
Mexico /location/location/contains Nuevo Laredo
DT NN IN JJ NN NNS IN NN IN NN NNS IN NNP NNP VBZ VBN PRP IN CD IN DT RBS JJ NNS IN NNP POS NN IN DT NNP NNPS , CC DT NNS VBD TO VB DT JJS NN IN DT NN , DT NNS VBD .
Mexico
LOCATION
Nuevo Laredo
LOCATION
/location/location/contains