The Bytyqi brothers case will be one of the more important topics when U.S. Vice President Joseph Biden and Serbian PM Aleksandar Vucic meet in June.
The case in which members of the Serbian police in 1999 killed three U.S. citizens of Albanian origin is one of the obstacles in relations between Serbia and the U.S.
Turkish Prime Minister Ahmet Davuto?lu started his three-day contacts in the U.S. on March 4.
Turkish Foreign Minister MevlÃ¼t ÃavuÅoÄlu met with a total of 17 foreign representatives, including U.S. Vice President Joe Biden, on the sidelines of Brazilian President Dilma Rousseffâs inauguration ceremony on Jan. 1.
ÃavuÅoÄlu first held meetings with Palestinian Foreign Minister Riyad Maliki and Mali Foreign Minister Abdullay Deyub in the Brazilian capital of Brasilia.
U.S. Vice President Joe Biden on Nov. 22 told Europe it was time to act on improving its energy security, warning of Russia's "track record" in using energy supplies as a weapon.
Speaking at an Atlantic Council meeting in Istanbul, Biden said Europe needed to step up efforts to "ensure diversification" away from Russian oil and gas imports.
U.S. Vice President Joe Biden said he has not apologized to Turkish President Recep Tayyip ErdoÄan, contradicting a previous White House statement that claimed he did.
Instead, Biden said he told ErdoÄan that his alleged accusation that Turkey helped to fuel the growth of the Islamic State in Iraq and the Levant (ISIL) was misreported.