This update begins with a rundown of the details of Thursday's vehicle ramming and stabbing attack at a Manchester synagogue, and the resulting increase in security at houses of worship across two continents. We then look at this week's movement of more than one dozen tanker aircraft to the Persian Gulf region. Are we going back into Iran? An expanded written version of this report can be found in our weekly Threat Journal email newsletter. You can subscribe for free by visiting https://www.ThreatJournal.com. A link to this issue will be sent to you immediately via email. AlertsUSA Homepage http://www.AlertsUSA.com – (Homeland Security Alerts for Mobile Devices) AlertsUSA on Facebook https://www.facebook.com/alertsusa AlertsUSA on Twitter https://twitter.com/alertsusa Threat Journal on Twitter https://twitter.com/threatjournal Threat Journal Homepage https://www.ThreatJournal.com