Protesters have called for her resignation in light of her introduction of the extradition bill. "I'm just pleased my plane arrived and the protests here seem peaceful". "Other than the departure flights that have completed the check-in process and the arrival flights that are already heading to Hong Kong, all other flights have been cancelled for the rest of today".
At several districts, including Tsim Sha Tsui and Wan Chai, police fired tear to disperse the crowds.
Traffic to and from the airport was severely affected.
HONG KONG- Authorities in Hong Kong canceled almost 200 flights Monday because of a major protest at the city's worldwide airport. All passengers were advised to leave the terminal buildings as soon as possible.
It warned that traffic to the airport was "very congested" and the facility's auto parks were completely full.
Protesters occupy the departure hall of the Hong Kong International Airport during a demonstration on August 12, 2019. The protesters erected barricades, marched to police stations, and hurled bricks and petrol bombs at officers.
The protests began in opposition to a bill allowing extraditions to the mainland for trial in Communist-controlled courts, but have widened to highlight other grievances, winning broad support.
However, the Hong Kong government has refused protesters' demands for an independent inquiry into the police actions. More than 500 people have been arrested over the last 10 weeks of protests.
Escalating violence between police and protesters has galvanized the movement, with Monday's airport rally spontaneously called late Sunday night after police fired large amounts of tear gas in clashes across Hong Kong, beat protesters in subway stations, and shot one woman in the eye with a bean bag bullet while she was performing first aid.
The Chinese State Council's Hong Kong and Macau Affairs Office issued a statement saying the situation in Hong Kong was "beginning to show the sprouts of terrorism" and constituted an "existential threat" to the population.
Beijing has pointed to Washington figures such as Vice President Mike Pence, Secretary of State Mike Pompeo and White House national security adviser John Bolton meeting Hong Kong opposition supporters and the presence of USA flags at rallies as evidence of foreign interference. Some senior US politicians and diplomatic officials met and engaged with anti-China rabble-rousers in Hong Kong, criticized China unreasonably, propped up violent and illegal activities and undermined Hong Kong's prosperity and stability.
In a statement Monday, Youngspiration, an opposition political party which has been heavily involved in the protests, called for sanctions against Lam and other top officials, echoing demands by others that the global community act on behalf of the Hong Kong pro-democracy movement.
Violent anti-government marchers in Hong Kong are showing signs of terrorist activity, China has warned. The social unrest has hurt the economy and impacted daily life in one of the world's most densely crowded cities, raising concern that Beijing will use force to restore order.
Earlier on Monday, police showed off water cannons and specially equipped armoured cars.
Shares of Hong Kong's dominant airline traded down 4.9% Monday, closing at their lowest price since June 2009.