The US State Department's published a warning of a high terrorist threat in Europe, Deutsche Welle reports.
The warning of the danger of terrorist attacks in Europe is valid until November 30, 2017.
The document expresses concern about the recent terrorist attacks in France, Russia, Sweden, Britain, Spain and Finland.
The authors of the appeal listed public places that could be chosen for the purpose of terrorist attacks, as well as the means most often used by terrorists for attacks.
For those who go on a trip, the State Department advised paying attention to information about local incidents and staying in touch with relatives.
According to a joined study conducted by the George Washington Institute in conjunction and the International Anti-Terrorism Center, between June 2014 and June 2017, 32 terrorist attacks took place in Europe.