FBI Warning Highlights Tank Trucks
However, the nation’s alert status remains unchanged at code yellow, the third-highest stage of alert, AP said.
A federal law enforcement official, speaking on grounds of anonymity, told AP the warning was not based on a specific threat, but on interviews with captured al-Qaida and Taliban fighters.
The interviews did not reveal a specific target city or time.
AP said the latest advisory was sent across the National Law Enforcement Telecommunications System, an electronic system that allows the FBI to send alerts or messages to police in all 50 states simultaneously.
The United States believes al-Qaida has used fuel tankers as weapons before.
In Tunisia, a man named Nizar Naouar is believed to have blown up a gas truck near the historic Ghriba synagogue last month. Eighteen people were killed, many of them German tourists.
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