После географических изысканий некоторых граждан...
...посол Чехии в США вынужден был вмешаться:
As more information on the origin of the alleged perpetrators is coming to light, I am concerned to note in the social media a most unfortunate misunderstanding in this respect. The Czech Republic and Chechnya are two very different entities - the Czech Republic is a Central European country; Chechnya is a part of the Russian Federation.
As the President of the Czech Republic Miloš Zeman noted in his message to President Obama, the Czech Republic is an active and reliable partner of the United States in the fight against terrorism. We are determined to stand side by side with our allies in this respect, there is no doubt about that.