Boris Johnson criticized for hands-off approach to Iran crisis

"Now is the time we are going to see more and more choices having to be made by the U.K. There is Brexit happening in the next few weeks, there are a number of security decisions in terms of the deployment of troops in Iraq together with the coalition. All of that is going to showcase where the U.K. will stand — and whether it is more closely aligned to the EU or more closely aligned with the U.S.," according to Aniseh Bassiri Tabrizi, a research fellow at the Royal United Services Institute for Defence and Security Studies.