Threat raises tension ahead of 9/11
NBC NATIONAL NEWS — Federal authorities are tracking down leads this afternoon to verify whether a possible bomb threat two days before the 10th anniversary of 9/11 is real.
The terror alert level hasn't been raised, but there are are a third more police patrols in New York this morning, plus extra focus on bridges, tunnels, subways and unattended cars.
Officials say a "credible source" say three men may have come into the U.S. to set off car bombs in Washington or New York.
New York's Mayor rode the subway this morning to reassure citizens the city is safe.
"We have to make sure the very things they find threatening are the things we continue to do speak our mind, pray where we want to pray, be in charge of our own destiny," said Mayor Michael Bloomberg.
Washington is also on high alert.
Defense Secretary Leon Panetta told first responders this morning it's Al Qaeda who should be scared.
"You don't mess with this country when you attack us. What we made clear is when that happens, we will come and get you," he said.
Weekend memorials are planned in New York, Washington and Shanksville, Pennsylvania.