More news about the Pakistani link to the London bombings. From the [1] Telegraph, with thanks to Sr. Soph:

One of the four London suicide bombers made numerous calls to a stolen mobile phone in Pakistan up to three days before the July 7 attacks.

Pakistani officials say they have traced the stolen phone after receiving requests from Britain's MI5 to investigate. They suspect that it was used by terrorists linked to the bombers, and then discarded after the London attacks.

The phone number was rung several times - as late as July 4 - by Shehzad Tanweer, one of the bombers who visited Pakistan more than six months ago along with Mohammad Sidique Khan, the cells's suspected ringleader. The disclosure has deepened suspicions that a "mastermind" based abroad was guiding the gang.