Organizers announced that an estimated 230,000 marchers took part; local police gave a much lower estimate, saying there were 56,000 people at the protest's peak.
The worldwide financial hub has been rocked by a month of huge peaceful protests as well as a series of separate violent youth-led confrontations sparked by a proposed law that would have allowed extraditions to mainland China.
On Monday, a group of masked youth-led protesters stormed and ransacked the city's parliament.
Protesters have claimed that Lam has not yet responded to their demands of entirely scrapping the bill despite multiple protests in recent weeks.
"People seem scared to ask us more", said Hin Lee, 30, who was among the crowd with friends.
Inside the Chinese mainland, where news and information is heavily censored, the Hong Kong protests have been portrayed as a primarily violent, foreign-funded plot to destabilise the motherland.
State media in particular has blamed London, Washington and other Western capitals for offering succor to the demonstrators.
On Sunday, protesters marched through the streets of Kowloon towards West Kowloon train station.
"Most mainlanders do not know what we are fighting for, and this will be a very slow, educational process".
FILE - In this January 16, 2010, file photo, police officers take away the protesters who block a main road during a protest outside Hong Kong's Legislative Council, after a controversial $8.6 billion plan to link Hong Kong to a national high-speed rail network won approval from local lawmakers.
Photos from the scene showed police detaining several protesters.
"I can not agree with violence, but I can not agree with silence", said Borron Li, a 50-year-old teacher at the start of Sunday's protest. "So as a middle-class man, I'm so angry and I'm so pleased that Hong Kongers finally voice out". As a result, users have started using more oblique references, such as the Cantonese pop song, "Queen's Road East", that makes reference to the 1997 handover of Hong Kong to China.
The high-speed rail station, which opened last September, was a source of contention, as passengers pass through Chinese immigration and customs inside.
Hong Kong enjoys rights and freedoms no longer seen on mainland China, alongside with free speech and the supreme kind to dispute. "I think [mainlanders] will understand us". "We want withdrawal, not suspension".
"Hong Kong has an independent judiciary and it's not for me as foreign secretary of the United Kingdom to second guess how that judiciary works". This is beyond just the extradition amendment.
When Hong Kong society suffers from the trauma of extreme violence and when the worldwide community condemns violence in unison, Mr Patten was treating black as white through deliberately confusing violence and peaceful demonstrations, the official said.
Protesters gather inside the meeting hall of the Legislative Council in Hong Kong, July 1, 2019. They said their demands had fallen on deaf ears as the government showed no sign of making any concessions. "Experts stress that most suicides have complex, multiple triggers and have warned that depicting the four as "martyrs" to the protestors" cause risks encouraging copycat acts. That's why we continue to find our way out, this protest is one way.