Probably just Muslims obeying their sharia laws.
From the article:
We are already on a relatively high state of alert due to pronouncements by pro-al Qaeda supporters relating to attacks on Jews
Is it time to start an "underground railroad" of sorts to assist Jews in leaving Great Britain, or perhaps an arms-smuggling operation to assist them in arming themselves? The enemy is no longer at the gates, he is living next door on your tax dollars....