Friction over the display of American and Panamanian flags at Balboa High School led to anti-American riots 25 years ago.

In May 2006, an anti-American and anti-Karzai riot took place in Kabul which left at least seven people dead and 40 injured.

Hunt and his top aides had also drawn up plans for every contingency, from anti-American riots to outright battle in the oilfields.

And America's problems in the region seemed to be reflected in anti-American riots and the sacking of the United States Embassy in Tegucigalpa, Honduras, last week.

The deaths of civilians, in the initial car crash and in the protests that followed, prompted the worst anti-American riots in Kabul since the fall of the Taliban four years ago.

There was no hope of instigating anti-American riots or violence.

The New York Times printed a story on January 10, 1964 criticizing the administration for leaving the post vacant and saying the vacancy had contributed to anti-American riots in Panama.

A dismal scenario is just as plausible: We could see bloody street-to-street fighting, outraging the Muslim world, igniting anti-American riots and helping Al Qaeda recruit terrorists.

About 200 anti-riot officers and firefighters moved in to quell the violence, which was being called the worst anti-American riot ever in Honduras, traditionally a close American ally.

Eight Afghans were killed Tuesday in what sounds like an anti-American riot in Helmand province, prompted by rumors about the killing of civilians.