Due in part to the fact that Britain -- particularly Londonistan -- shelters "a substantial community of people who have links with, and can easily travel to, Pakistan."

"Al Qaeda may hit UK next," from the [1] Dawn, December 29:

LONDON, Dec 28: Where is Al Qaeda going to hit next? tops a list of 14 key questions the Observer said would dominate the headlines in 2009 and concluded that the most likely next target would be the UK.[...]

Discussing the likely targets of Al Qaeda next year, Mr Burke said Britain was easier to get to than the US.

"Britain has close transatlantic links and a substantial community of people who have links with, and can easily travel to, Pakistan. If anywhere is in the firing line, it is," asserts Jason Burke, author of Al Qaeda: Casting a Shadow of Terror.[...]

The best target for Al Qaeda would be the US, said Mr Burke. But this, according to him, has been made hard by a combination of a huge security effort and the lack of Muslims to answer the call to arms.