The attack on two men from the Chinese mainland by violent protesters at the Hong Kong International Airport on Tuesday has drawn condemnation from foreign experts and government officials.

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After two consecutive days of chaos at Hong Kong International Airport, the UN High Commissioner for Human Rights (OHCHR) Michelle Bachelet expressed her concern and condemned "any form" of violence or destruction of property and urged the demonstrators to "express their views in a peaceful way," according to a statement on the UN website.

"She notes the Chief Executive of China's Hong Kong Special Administrative Region (HKSAR)'s commitment to 'engage as widely as possible' and to 'listen to the grievances of the people of Hong Kong'," said Bachelet's spokesperson, Rupert Colville.

"She calls on the authorities and the people of Hong Kong to engage in an open and inclusive dialogue aimed at resolving all issues peacefully," Colville added.

Emphasizing the significance of the "one country, two systems" principle for the development of Hong Kong, observers also voiced their support for the legitimate actions taken by the HKSAR government and Hong Kong police to restore order.

Mohammad Faisal, spokesperson for Pakistan's Ministry of Foreign Affairs, said Pakistan understands the actions taken by the Chinese central government and the HKSAR government to uphold national sovereignty and maintain Hong Kong's prosperity and stability.

Hong Kong's affairs are completely China's domestic affairs, Faisal said, noting that all nations should abide by basic norms and international law to avoid interference.

Singapore's Minister for Home Affairs and Minister for Law Kasiviswanathan Shanmugam said during an interview with local media that there has been a disregard of law and order, which any government would have to deal with.

Helen Sham-Ho, former deputy president of the Legislative Council of New South Wales in Australia, said Hong Kong is favored by tourists and investors as the Pearl of the Orient, but the current chaotic situation there is damaging its prosperity.

There is no doubt that the priority is to resume order, and the police have the right to uphold law and order, she said, adding that police have behaved quite patiently.

Abdulaziz Alshaabani, a Saudi expert on Chinese affairs, said radical acts like occupying the airport seriously undermine the rule of law, hinder economic development and harm the interests of the people of Hong Kong.

If violence continues further, Hong Kong's prosperity and stability will suffer a severe blow, and undermine its international image and status, the expert said, adding that Hong Kong should get back on track as soon as possible and restore social stability.

The continued chaos in Hong Kong, apparently created by anti-government protesters and encouraged by foreign influence, must be quickly stopped, Wilson Lee Flores, a columnist at The Philippine Star newspaper, told Xinhua.

Strong measures should be taken as the chaos is not only bad for Hong Kong's economy and tourism, but also disadvantageous for the prosperity of the East Asian region as Hong Kong is an important finance and trade center, he said.

The deteriorating situation will not only bring no benefits to Hong Kong itself, but harm the surrounding areas and the world at large, warned Kim Jin-ho, a professor of politics and diplomacy at South Korea's Dankook University.

"They should solve the problem through close communication and legal procedures, instead of using violence and illegal measures, which is really dangerous," Kim said. "Dialogue and communication is the fundamental way to produce win-win outcomes."

(With input from agencies)

(Cover: Fu Guohao (C), a reporter with the Global Times, is bound with zip ties by violent protesters. /Global Times Photo)