Committee chair Rep. Michael McCaul is seeking a cable that reportedly cautioned that Kabul could collapse soon after U.S. troops withdrew from Afghanistan.
The popular 70-year-old opposition leader's arrest triggered nationwide protests in which his supporters attacked military installations, burned vehicles and looted stores.
South Africa is one of Russia’s most important allies, but says it is impartial on the Ukraine conflict and has abstained from voting on U.N. resolutions on the war.
Advocacy groups defending the rights of Holocaust survivors and victims had urged Christie’s not to go through with the sale of the collection of a late Austrian heiress.
The effort to rid Serbia of excessive guns was launched after 17 people were killed in two mass shootings last week and 21 were wounded, many of them children.