(CNN) -- World reaction poured in early Monday after President Barack Obama's announcement that terrorist leader Osama bin Laden was killed in Pakistan. The U.S. put its diplomatic facilities around the world on high alert and issued a global travel warning for Americans.
Afghan President Hamid Karzai
Karzai said he hopes the world believes that his country is "not the place of terrorism" after the announcement that the al Qaeda leader was killed in neighboring Pakistan.
"If the international troops are the true allies of Afghans, now they should come up to say that killing of the Afghans, women, children and elders was not a good idea in the last many years as it was happening on a daily basis," Karzai said on RTA TV.
Afghan opposition leader Abdullah Abdullah, Hope and Change leader
Bin Laden's killing proves that Pakistan is a "haven" for terror groups, according to Abdullah.
"Killing of Osama bin Laden is pleasant news for Afghans, and now it's proven that al Qaeda and other terrorist organizations are not based in Afghanistan and Pakistan is a haven for them," he said.
Australian Prime Minister Julia Gillard
Gillard congratulated the U.S. on the operation, and said she acknowledges the role of Pakistan in the fight against terror.
"Our fight against terrorism does not end with bin Laden's death. We must remain vigilant against the threat posed by al Qaeda and the groups it has inspired," she said.
"We will continue our support for the counterterrorism efforts of the United States and our partners, and we will continue our efforts in Afghanistan to ensure that the country never again becomes a safe haven for terrorism."
British Prime Minister David Cameron
The leader said he welcome news of bin Laden's death.
"Osama bin Laden was responsible for the worst terrorist atrocities the world has seen -- for 9/11 and for so many attacks, which have cost thousands of lives," he said. "This is a time to remember all those murdered by Osama bin Laden, and all those who lost loved ones," he said. "It is also a time too to thank all those who work round the clock to keep us safe from terrorism."
German Chancellor Angela Merkel
Merkel said the death is a major setback for the terror group.
"With the commando action against Osama bin Laden and his killing, the U.S. military has achieved a decisive strike against al Qaeda," she said.
"At his command and in his name, terror was enforced into many countries against men women and children, Christians as well as Muslims. Osama bin Laden suggested that he was operating in the name of Islam, but in reality he makes a mockery of the fundamental values of his own and every other religion."
India's external affairs minister M. Krishnas
India applauded the killing as a "historic development and victorious milestone in the global war" against terror.
"Over the years, thousands of innocent lives of men, women and children have been tragically lost at the hands of terrorist groups," the minister said.
"The world must not let down its united effort to overcome terrorism and eliminate the safe havens and sanctuaries that have been provided to terrorists in our own neighborhood."
Israeli Prime Minister Benjamin Netanyahu
The prime minister applauded the development in the war against terror.
"Israel joins in the joy of the American people on this historic day in which Osama bin Laden was killed. ... This is a resounding victory for justice, freedom and for the joint values of all the countries that fight side by side determinedly against terror."
Israeli President Shimon Peres
"The end of bin Laden is a great piece of news for the free world," he said.
"This man was a mega murderer, he killed thousands and thousands of people, people who were totally innocent, and would continue to kill, his purpose in life was to kill anybody who doesn't belong to him."
Japanese Prime Minister Naoto Kan's office
Spokesman Noriyuki Shikata said the nation would continue its work with the international community to combat terrorism.
"We pay our respects to the efforts of those concerned, including the U.S. and Pakistan. We regard this as part of a united effort to fight against terrorism," Shikata said. "Japan has been working on assistance to both Pakistan and Afghanistan, and proactively tackling the issue of terrorism."
Italian foreign Minister Franco Frattini
The foreign minister applauded the U.S. forces, saying "this is a great victory for the United States and for the entire international community" in the fight against terror.
"It is a victory made possible by the determination of the United States in their hunt against the one responsible for the most tragic episode at the beginning of this century, 9/11 and numerous other tragedies," he said. " A victory that rewards the efforts that all of us next to the United States have fought and continue to fight against terrorism. A victory of good against evil, of justice against malignancy. It is a victory of the free and democratic world."
Kenyan government spokesman Alfred Mutua
The nation, which was bombed by al Qaeda in 1998, called his killing a "defining moment in the fight against" terrorism.
"Kenya was the first country to be attacked by al Qaeda and Osama bin Laden's death comes as a relief to many of the victims of the bombings in East Africa," the spokesman said.
Pakistan foreign ministry
The Pakistani foreign ministry issued a statement confirming the terror leader's death.
"In an intelligence driven operation, Osama bin Laden was killed in the surroundings of Abbottabad in the early hours of this morning. This operation was conducted by the U.S. forces in accordance with declared U.S. policy that Osama bin Laden will be eliminated in a direct action by the U.S. forces, wherever found in the world," the ministry said.
"Earlier today, President Obama telephoned President Zardari on the successful U.S. operation which resulted in killing of Osama bin Laden."
The ministry said the killing highlights the resolve of Pakistan and the international community to combat terrorism.
Russia said it is ready to help step up efforts to combat terror, saying only joint efforts can produce results.
"Russia was among the first countries to face the dangers inherent in global terrorism, and unfortunately knows what al Qaeda is not from hearsay," the Kremlin said. "Retribution will inevitably reach all terrorists."
Turkish President Abdullah Gul
Gul said he welcomed the news of bin Laden's death.
"Terrorists and leaders of terrorists are captured alive or dead sooner or later," Gul said at a news conference. "It should teach a lesson that the leader of the world's most dangerous and sophisticated terrorist organization is captured this way.
Yemeni government official
A government official described the death of Osama bin Laden as "a truly historic moment."
We welcome the news ... millions of people will sleep in peace tonight," the official said. "Osama bin Laden was more of a symbolic figure, a spiritual leader for al Qaeda."
The official said it is too early to determine how his death will affect the war against terror.
"But this is definitely a strong blow to the organization," said the official, who did not want to be named because he is not authorized to talk to the media.