From CBS/AP

WASHINGTON — Foreign fighters are streaming into Syria and Iraq in unprecedented numbers to join the Islamic State or Iraq and Syria (ISIS) or other extremist groups, including at least 3,400 from Western nations among 20,000 from around the world, U.S. intelligence officials say in an updated estimate of a top terrorism concern.

Intelligence agencies now believe that as many as 150 Americans have tried and some have succeeded in reaching in the Syrian war zone, officials told the House Homeland Security Committee in testimony prepared for delivery on Wednesday. Some of those Americans were arrested en route, some died in the area and a small number are still fighting with extremists.

CIA insider: ISIS brand spreading at faster rate than al Qaeda ever did

take our poll - story continues below

Will the Democrats try to impeach President Trump now that they control the House?

  • Will the Democrats try to impeach President Trump now that they control the House?  

  • This field is for validation purposes and should be left unchanged.
Completing this poll grants you access to Powdered Wig Society updates free of charge. You may opt out at anytime. You also agree to this site's Privacy Policy and Terms of Use.

Trending: VIDEO: Ever hear of the Battle of Athens, where armed citizens stopped election fraud? Here is the story. Do We the People have the guts to do it again?

The testimony and other data were obtained Tuesday by The Associated Press. A U.S. intelligence official confirmed the information to CBS News.Nick Rasmussen, chief of the National Counterterrorism Center, said the rate of foreign fighter travel to Syria is without precedent, far exceeding the rate of foreigners who went to wage jihad in Afghanistan, Pakistan, Iraq, Yemen or Somalia at any other point in the past 20 years.

U.S. officials fear that some of the foreign fighters, who come from 90 countries, will return undetected to their homes in Europe or the U.S. to mount terrorist attacks. At least one of the men responsible for the attack on a satirical magazine in Paris had spent time with Islamic extremists in Yemen.

Read more….