The story is quoting a Mossad operative. Remember that Avigdor (the nightclub bouncer) Lieberman is meeting the Foreign Ministers of the European Union in Brussels over the next few days ostensiably to improve ties between Israel and the EU. The fact is events in Dubai are going to be top front and centre of all meetings that he has, With Germany, France, Britain and Ireland at the front of the queue. The story in The Mail is an attempt to split Britain away from the other three by pointing a finger and saying the United Kingdom knew and weren't concerned. Standard Zionist operating procedure of divide and rule. Your right though interesting times.
We want Iran cooperation, not meddling, Gulf Arabs tell Kerry (Reuters)
from the article: Britain 'knew Mossad was using fake passports for Dubai hit'