(Casa Albă, The Sofia Echo, SNA, Dnevnik, Mediapool, Guvernul Bulgariei - 18/06/08; AFP, DPA, Departamentul SUA de Securitate Naţională, The Sofia Echo, SNA, Dnevnik, Mediapool - 17/06/08)
(The White House, The Sofia Echo, SNA, Dnevnik, Mediapool, Bulgarian Government - 18/06/08; AFP, DPA, US Department of Homeland Security, The Sofia Echo, SNA, Dnevnik, Mediapool - 17/06/08)