Double-tapping this for maximum exposure.

The BBC had a bit on one of their civilian programs last week, pushing the 'run/hide/report' immediate action drills.

https://www.gov.uk/government/news/c...-run-hide-tell

Excellent site, in general.
https://www.gov.uk/government/organi...ecurity-office

Considering the pre-Christmas FBI warning to churches, readers might want to forward that to house-of-worship security committees with an "abundance of caution", of course.