Britain's most senior police officer said
he feared London had been hit by a "co-ordinated attack"
following a series of explosions in the capital.
Metropolitan Police Commissioner Sir Ian
Blair said there appeared to have been no specific warning ahead
of the blasts at several tube stations and on one bus on
He added that at least one of the sites,
there were "indications" that explosives had been used.
Asked if police had received a warning of
the blasts, Sir Ian said: "We have been on a very high state of
alert. Of course if there had been a specific warning we would
have dealt with it.
"We are not aware of any warning at the
"We are concerned that this is a co-ordinated
attack. We are aware that at least one of the sites certainly
does contain indications of explosives.
"While it is a
confused situation - it must be a confused situation with
multiple sites like this - co-ordinated
effort is slowly bringing order out of the chaos."
"The Metropolitan Police is co-ordinating
this effort and within a matter of hours peace will be brought
to the streets of London and we will know exactly what we are