Second aircraft hits Pentagon

A second aircraft has crashed into the Pentagon building.

It is not known whether this plane was that which was hijacked from Boston airport a short time ago, the fourth such plane to be used in this major attack on the US.

Earlier, a small plane had slammed into the building and set it ablaze.

It is not yet possible to ascertain the number of dead or injured in the various attacks in America’s biggest cities.

All flights to and from the US have been grounded, as have all transatlantic flights to and from Canada.