After claiming her Twitter account was hacked, an Egyptian human rights activist appeared to acknowledge at least some of the anti-Jewish tweets that led the Obama administration to delay honoring her with an award.
The Obama administration condemned an attack in Tehran that killed a nuclear scientist, and Iran threatened Israel with revenge.
Mostafa Ahmadi Roshan, 32, was killed Wednesday when a bomb placed on his car by a motorcyclist exploded. Roshan reportedly was a supervisor at the Natanz uranium enrichment facility, in addition to being a professor at Tehran's technical university.
"We condemn any assassination or attack on an innocent person, and we express our sympathies to the family," Victoria Nuland, the State Department spokeswoman, said Wednesday.
The Muslim Brotherhood assured the United States it would not break Egypt's 1979 peace treaty with Israel, a State Department spokesperson said Thursday.
"We have had other assurances from the party with regard to their commitment not only to universal human rights, but to the international obligations that the government of Egypt has understaken," Victoria Nuland told reporters in Washington.
The United States transferred $40 million in foreign assistance to the Palestinians.
The Associated Press reported Thursday that congressional lawmakers released the funds, which amount to 20 percent of the $187 million in foreign assistance from fiscal year 2011 that was held up by Congress in response to the Palestinians' actions at the United Nations.
The assistance that the U.S. is for humanitarian and economic purposes and not for security assistance.