1.   Just west of El Paso and a dozen steps north of the Mexican border the train approached a densely populated shantytown called Anapra.

2.   Another worry is whether traffickers will use guerrilla-style attacks to provoke soldiers into open battles in the densely populated shantytowns, endangering civilians.

3.   Witnesses said the pilot apparently tried to avoid crashing into the populated shantytown below and slammed into a drainage ditch instead, witnesses said.

4.   Alexandra, a densely populated shantytown and low cost housing district near the high-income suburb of Sandton, is widely regarded as a haven for car hijackers.