Escalation

List of placards seen in London:

ANNIHILATE THOSE WHO INSULT ISLAM
AS MUSLIMS WE ARE PREPARED TO FIGHT
BBC BRITISH BROADCASTING CRUSADERS
BBC GO TO HELL!
BE PREPARED FOR THE REAL HOLOCAUST [real is underlined]
BEHEAD THE ONE WHO INSULTS THE PROPHET.
BEHEAD THOSE WHO INSULT ISLAM
BUTCHER THOSE WHO INSULT ISLAM
EUROPE YOU WILL PAY FANTASTIC 4 ARE ON THEIR WAY YOU
EUROPE YOU WILL PAY. DEMOLITION IS ON THE WAY
EUROPE YOU WILL PAY. YOUR 9/11 IS ON IT'S WAY
EUROPE YOU WILL PAY. YOUR EXTERMINATION IS ON IT'S WAY
EUROPE YOU'LL COME CRAWLING WHEN THE MUJAHIDEEN COME ROARING
EXTERMINATE THOSE WHO INSULT ISLAM
EXTERMINATE THOSE WHO SLANDER ISLAM
FREE SPEECH GO TO HELL
FREEDOM GO TO HELL
FREEDOM OF EXPRESSION GO TO HELL
JIHAD AGAINST EUROPEAN CRUSADERS
MASSACRE THOSE WHO INSULT ISLAM
SLAY THOSE WHO INSULT ISLAM

Nice, eh? And no arrests for incitement! Apparently the Met had been told from on high that no arrests were to be made...