Today they are allowed to fly again. They were grounded because the FBI has evidence that the terrorists asked for information about crop dusters at an airport in Florida. Also, there was information found in the possession of one suspect in custody, that explained everything about how crop dusting chemicals were sprayed from the planes. The World Health Organization has put out a world wide advisory on the threat of biological attacks. If you know anyone who uses crop dusters ask them to be on the alert for suspicious inquiries or questions about the use of their planes or chemicals.
Lets help each other stay safe.
Read more on ABC news . Do not open any email asking you to vote on what should be done between the US and the muslim nations. There is a worm virus in the attachment. These low-life hackers have taken advantage of the public's strong feelings over the recent tragedy to propogate this virus. To read more on this story go to BBC news .