[Mais um ataque terrorista algo fracassado mas que mostra algo inédito: eles podem atacar duas vezes no mesmo sítio! É grave e dá muito que pensar. ]

London attackers 'meant to kill'
The people behind the latest attacks on London's transport system meant to kill, the Met police chief says.
Your pictures: London alert
Tube alerts: eyewitness reports
Analysis: Devices 'similar to 7/7'

Shepherd's Bush: Reports of small explosion. Eyewitnesses reportedly see man run from scene. Large area cordoned off.
Oval: Man runs off train after a small bang as train reaches station, eyewitnesses reportedly say. Large area cordoned off.
Warren Street: Witnesses report hearing bang at front of train, passengers running to back of train and evacuating at station. Large area cordoned off.
Hackney Road: Explosion on the top deck of number 26 bus travelling from Waterloo to Hackney. Large area cordoned off.
University College Hospital: Armed police officers deployed for "incident", thought to be search for suspect. Large area cordoned off. Incident briefly "stood down", but police return later to search premises.
Injuries: One.
Arrests: Police say there have been no arrests in connection with today's bombings.
Chemical and other agents: None found after initial checks at all three Tube stations and on bus.
Tube closures: Hammersmith & City, Victoria and Northern lines suspended. Trains also not running on Piccadilly, Bakerloo and Circle lines. Police advise London workers to stagger their journeys home.

in BBC