The attacks in Paris have almost all Americans worried about similar strikes in the United States — with a majority convinced the country is at war with “radical Islam,” a poll finds.

An overwhelming 83 percent of registered voters believe a terrorist attack resulting in large casualties is likely in the near future, according to The Washington Post-ABC News survey.

That represents a rise of 10 percentage points from a Quinnipiac University poll that asked the same question earlier this month.