Maria Eagle, who drew a lot of the initial attention to the alleged quote, has since deleted her tweet. Even she isn't sure so how can you be?
https://twitter.com/meaglemp/with_replies
I'm not the one trying to politicise this. There are contradictory statements, which is why blaming political motivation for the crime, when neighbours who spoke to him sad he wasn't interested in politics, is very premature.
Sadiq Khan is not my cup of tea politically but he is nowhere close to being an extremist. He did associate wth some of them in the past but so have many non Muslim MPs.
The man had a history of mental illness and no evidence of any political affiliation. He might have been an ultranationalist but the left wing are jumping to conclusions.
As a designated state sponsor of terrorism, all exports of dual use technology to Iran which could significantly enhance the country's military capability requires congressional approval.