"Everyone should be calm and safe!" he commented.
US President Donald Trump deepened fears Beijing may be prepared to stage a military intervention to end the unrest, saying on Tuesday his intelligence had confirmed Chinese troop movements toward the Hong Kong border.
"It is possible that the airport authority will cancel more flights as they need to control the air traffic movements at the Hong Kong International Airport", he said.
Authorities cancelled all remaining departing flights for the second day running after protesters took over the terminals. Clashes erupted between riot police in the evening after protesters seized a mainland Chinese man who they accused of being an undercover police officer.
Initially sparked by opposition to a planned law that would have allowed extraditions to mainland China, the protests have quickly evolved into a much broader campaign for democratic freedoms, and to stop the growing influence of China's authoritarian rulers in the semi-autonomous city.
It comes as Hong Kong enters its tenth week of anti-government protests.
People online have been closely watching what Beijing might do next after China this week condemned some protesters for using risky tools to attack police and said the clashes showed "sprouts of terrorism".
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The 33-year-old was rushed to a hospital in Abidjan with a fractured skull where he later died. According to BBC Afrique, he was a highly celebrated and accomplished Coupe Decale Artist.
The protesters chanted: "Stand with Hong Kong, stand for freedom", and daubed graffiti that included the term "an eye for an eye". He believes that the US Congress might not be willing to overlook any harsh action against the protesters by China.
Forward Keys, a flight data company, said the crisis had deterred people from making travel plans to the city, citing a 4.7 percent fall in long-haul bookings to Hong Kong between June 16 and August 9 compared with the same period a year ago.
Chinese authorities blame a "few radicals" among protesters, while coverage of alleged police brutality is censored on the mainland.
"America is proof that democracy is worth fighting for".
The closure of the Hong Kong airport added to that pressure.
Riot police use pepper spray to disperse protesters during a mass demonstration at the Hong Kong International Airport, in Hong Kong, Aug. 13, 2019.
Several other Western officials sounded alarms over the escalating violence and Beijing's intensifying rhetoric against the protesters.
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"The government doesn't forbid Thais from going to Hong Kong because it is their personal right".
"Democracy is a good thing", read one sign inside the Hong Kong airport which sits inside a communist China. "Now, and in the coming days, we are all Hong Kongers".
Speaking at a press conference earlier Tuesday, the semiautonomous territory's leader, Carrie Lam, said demonstrations could push Hong Kong "down a path of no return" and claimed that protesters had created "a state of panic and chaos".
"I hope it works out for everybody including China".
Flag carrier Cathay Pacific Airways published a half-page advertisement in the Hong Kong Economic Journal pledging its support for the government and calling for the resumption of the rule of law and social order.
"I can't believe that any rational person inCarrie Lam's position would actually argue the case against a commission of inquiry", Patten said. "I can't imagine why?"
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Firmino, on the other hand, had a splendid game for Liverpool , despite not getting on the scoresheet against Norwich City . He added: "I'm really sure we will try to not make the game any more hard than it will be (for the officials)".