Activity Wea News Today

It hasnt been the case in the last few weeks. i wonder has anything changed? >> those conditions remain the case. >> reporter: is there something else at play here? >> we see a comdrivers in the threat environment. groups to strike back at western countries. certainly a new linkage between returnees from libya and other countries to the uk is being deployed in more detail. but certainly historically remains a high target globally and that may well be the case that is driving this high level of a...