Another bomb found. "Did a fifth bomber lose nerve and dump bomb?," from the [1] TimesOnline, :

POLICE fear that there may have been a fifth bomber who failed to carry out his suicide mission last Thursday after the discovery of a suspect package in bushes near Wormwood Scrubs prison in West London.

The package, found on Saturday morning, appeared to be packed with explosives, nails and bolts, similar to the device found at Warren Street. Police carried out a series of controlled explosions on it.