Detailed text transcripts for TV channel - CNN - 20170604:04:14:00
It hasn't 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 activity wea've seen. >> reporter: we appreciate your analsis and expertise. authorities are telling...
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