The bomb was in the Haymarket, near the popular Regent Street shopping area, and security sources say it could have been timed to coincide with Gordon Brown's first day as Prime Minister.
An eyewitness said a man had crashed the vehicle into bins near Tiger Tiger and then ran off, before the alarm was raised.
The timing coincided with hundreds of revellers leaving nightspots, but police said there was no intelligence to suggest such an attack.
Sex offender registries are cruel and unjust.
Virginia Is About To Require a Government License for 'Art Therapy,' Because Glue and Scissors Are 'Potentially' Dangerous
The real motive for laws like this has nothing to do with scissors and glue. It's all about protectionism.
Rep. Camille Lilly, who authored the bill, says her legislation will lead to more safety, convenience, and jobs.
The global total fertility rate fell by more than half, from 5 births per woman in 1960 to 2.4 today. But don't panic!