A drone fitted with an IED would be a new development in (presumed) Russian sabotage in that it is unequivocally intended to cause the loss of anonymous, innocent life, (as opposed to just, “might do” or a targeted assassination) which does make it feel like some small rubicon has been crossed.
Drone carrying explosives found at Leipzig airport, say German police
Incident appears to mark an escalation after two years of drone incursions at European airports
as.ft.com