They sure are avoiding mentining Islamic terrorists. Maybe they are afraid of public retaliation, as London has a large Islamic population.
Injured tube passengers are escorted away from Edgware Road Tube Station in London following an explosion, Thursday July 7, 2005. An explosion destroyed a double-decker bus in central London during rush hour Thursday, police said. Two other blasts also went off in other buses, reports said. The explosion near Russell Square occurred not long after blasts on London subways earlier Thursday, police said. Dow Jones Newswires reported that police confirmed explosions on at least two others buses. One of the buses exploded near Russell Square, police said. A witness said the entire top deck of that bus was destroyed. (AP Photo/ Jane Mingay)
Hard to say - there's 4 possible culprits.
Islamonazis
IRA
Communists(anti-G8 people)
London getting the Olympics
If you remember, no one mentioned the Islamists when we were attacked, at first, either.