…ed in Gran Bretagna sembrerebbe essersi innalzato.

"Germany said on Wednesday it had strong evidence Islamist militants were planning attacks in the next two weeks and ordered security at potential targets such as train stations and airports to be tightened (…)
At a news conference hastily convened at his ministry in Berlin, de Maiziere said the security threat in Germany had risen and that intelligence services had received concrete indications that attacks were planned at the end of November.
"There are grounds for concern but not for hysteria," said the minister. "We have obtained further relevant information in addition to the previous findings which … justify the view that we are now dealing with a new situation."
The government did not give details of the plot but a German media report said security officials suspected a number of al Qaeda operatives were planning attacks in Britain and Germany (…)
German daily Der Tagesspiegel reported after the news conference that security officials believed between two and four al Qaeda militants were about to carry out attacks in Britain and Germany, and were expected to arrive in Germany on November 22.
The attacks could target crowded places like Christmas markets, and it was believed that Pakistan-based militant Ilyas Kahsmiri had masterminded the plan, the report said."