International financial markets plunged Tuesday and oil soared past $30 a barrel after terrorist attacks in New York collapsed the World Trade Center towers and set the Pentagon in Washington D.C. aflame.

Stock markets in London, Frankfurt, Paris, Stockholm, Canada and elsewhere slumped in the wake of the attacks, while U.S. trading was halted. The U.S. dollar fell against the yen, euro and other currencies.

No one was available to comment at the NYSE, which is located several blocks away from the Trade Center. The Nasdaq stock market was also closed.

International markets tumbled after the attacks. Frankfurt’s DAX 30 dropped as much as 9% and is presently trading 6.1 percent lower at 4,419.3. In Paris, the CAC 40 fell 3.4% to 4,212.2.

London’s FTSE 100 shed 3.23% to 5,026.4.

In Canada, the Toronto Stock Exchange 300 Composite Index plunged 295.90 points, or 4%, to7,048.80 before trading was halted.

Brent crude rose $3.20, or 12%, to $30.65 a barrel on the International Petroleum Exchange.

The U.S. dollar fell to 120.09 yen from 120.97 yen, and the euro rose against the dollar to 0.9040 euro from 0.8981 euro. The Canadian dollar rose to US63.89¢ from US63.78¢ yesterday.