(CNN) -- International leaders Tuesday rushed to condemn deadly twin bombings in the Algerian capital, which appeared to target government and United Nations buildings. Here is some of the reaction.
Rescue workers walk among damaged cars near the U.N. buildings.
White House Press Secretary Dana Perino
"We extend our condolences to the families of those who lost their lives in this horrible bombing in Algeria. We condemn this attack on the U.N. office by these enemies of humanity who attack the innocent. The United States stands with the people of Algeria as well as the U.N. as they deal with this senseless violence."
Prime Minister Abdelaziz Belkahdem
"Once again Algeria is facing a criminal act that targeted innocent people, students, employees, workers and visitors."
Foreign Minister Bernard Kouchner
"I condemn the murderous attacks that took place in Algiers this morning. The Algerian population who has aspirations for peace and security is once more hit by blind violence. France expresses its condolences to victim families and to the Algerian authorities."
Secretary-General Ban Ki-moon
"Words cannot express my sense of shock, outrage and anger at the terrorist attack on the United Nations mission in Algiers today. This was an abjectly cowardly strike against civilian officials serving humanity's highest ideals under the U.N. banner -- base, indecent and unjustifiable by even the most barbarous political standard. We do not yet have an accurate count of the many casualties, both among U.N. staff and the local population.
"But our hearts go out to the victims. Their sacrifice cannot and shall not be forgotten. The perpetrators of these crimes will not escape the strongest possible condemnation -- and ultimate punishment -- by Algerian authorities and the international community.
"I have instructed senior advisers from my executive office, UNDP (United Nations Development Programme) and the Department of Safety and Security to proceed to Algiers immediately. We will take every possible measure to aid those injured in the attack and their families. The security of U.N. staff is paramount. We will take every measure to ensure their safety, in Algeria and elsewhere, beginning with an immediate review of our security precautions and policies."
Condolence letter from Foreign Minister Frank-Walter Steinmeier to his Algerian counterpart, Mourad Medelci
"With great sorrow, we have taken notice of the latest, almost simultaneous car bombs in Algiers, which killed more than 50 people and wounded many others.
"We condemn these gruesome and cowardly acts that directly attempt to undermine Algeria's efforts to achieve internal reconciliation and peace in the harshest form and give our condolences to the victims and their loved ones." E-mail to a friend