Latin American Headlines at 6:52 p.m. EST

Mexican pipeline explosion kills 71, leaves nightmare of ash

Bus collision in Bolivia leaves at least 22 dead, 37 injured

The Latest: Chile and Argentina send condolences to Mexico

AP FACT CHECK: Trump pitches wall as magic bullet for drugs

Hope dashed for families of Colombia cadets killed in attack

Mothers of slain Nicaraguan students unite to seek justice

Supreme Court inaction suggests DACA safe for another year

Bolsonaros face questions in Brazil over corruption probe

UNESCO names Rio its 2020 'World Capital of Architecture'

Mexico names veteran lawman as new attorney general