German security authorities are warning of “unconventional incendiary devices” being sent via freight service providers after several incidents in which parcels sent by private individuals across Europe caught fire while in transit. For several weeks, German authorities have been “aware of several parcel shipments that were posted by private individuals at locations in Europe and caught fire on the way to their addressees in several European countries,” according to a security notice sent by Germany’s Federal Criminal Police Office (BKA) and the BfV domestic intelligence agency. The security n…