Vehicles for living broadcast of dozens of TV stations stay for reaction in Wall Street in New York, the United States Aug. 2, 2004. The US Secretary of Homeland Security Tom Ridge announced on Aug. 1 that the US was raising the color-coded terror threat level to "high" (orange) from "elevated" (yellow) for financial institutions because of the threat that al-Qaeda may attack symbols of international finance in Washington D.C., New York City and northern New Jersey.