http://news.independent.co.uk/uk/crime/article305768.ece
Severin Carrell
"The US has warned that al-Qa'ida is planning to cause mass casualties with a series of attacks on petrol stations in London and American cities in the next few weeks.
The leaked intelligence report from the Department of Homeland Security is highly specific. It says suicide drivers 'will employ various types of fuel trucks as vehicle-borne improvised explosive devices in an effort to cause mass casualties ... before September 19'. "