GUATEMALA CITY: At least 16 prisoners were killed in a riot in an overcrowded Guatemalan prison on Sunday, and some of the inmates were armed with AK-47 assault rifles, officials said.
BUENOS AIRES: Argentine riot police fired tear gas and water cannon on Sunday to break up dozens of rock-hurling youths in central Buenos Aires after the nation's hopes of a first World Cup win in 28 years were dashed by Germany in the…