BEIJING, March 4 -- A storm of condemnation from the international community on the knife attack in southwest China's Kunming train station on Saturday, which killed 29 people, continued to grow as more countries extended condolences and voiced support of anti-terrorist fight.

In contrast to the previous reports of several U.S. media outlets who had placed terrorists under quotation marks in their coverage, the United States on Monday called the attack "an act of terrorism" and extended its condolences for the loss of life.

"Based on the information reported by the Chinese media, this appears to be an act of terrorism targeting random members of the public, so we are calling this an act of terrorism," State Department Spokeswoman Jen Psaki told a press briefing.

"We acknowledge that China has characterized the incident as a terror act," Psaki said.

The United States extends its condolences for the loss of life, said Psaki, adding that the country opposes terrorism "in all of its forms."

"We deplore violence intentionally directed at innocent civilians in any case regardless of the cause," Psaki said.

The Turkish Foreign Ministry also issued a statement on Monday, sharply condemning Saturday's terrorist attack at the Kunming train station and extended sympathy and condolences to the victims and their families, hoping that the wounded will recover as soon as possible.

Turkey said it has always stressed that terrorist attacks targeting innocent civilians is unacceptable, adding that those who are responsible for the attacks must be brought to justice.

South Korean Deputy Foreign Minister Lee Kyung-soo on Monday denounced the terror attack, during a meeting with Chinese ambassador Qiu Guohong.

"South Korea sent its deep condolences and sympathies to innocent victims and those injured or who have lost their families in the attack," said Lee.

On the same day, Iran slammed the terrorist attack that killed at least 29 people, Press TV reported quoting Iranian Foreign Ministry spokeswoman Marzieh Afkham as saying.

"The Islamic Republic of Iran, as a victim of terrorism, expresses its opposition to terrorist acts in any forms," Afkham said, expressing sympathy with the families of the victims of the incident.