Lam walked out and later delivered her address by video, as pro-democracy lawmakers held up placards showing her waving with hands colored blood-red.
President Donald Trump also delayed a planned tariff hike on Chinese imports this week in a conciliatory gesture.
A march was not permitted by police, but protesters took to the streets anyway, building a wall out of barricades and setting it on fire.
The conflict over trade and technology is threatening to tip a weakening global economy into recession.
The central government in Beijing ominously characterized the current protest movement as something approaching "terrorism."
Hong Kong Chief Executive Carrie Lam said she was suspending the bill indefinitely.
The president hasn't used new powers on human rights sanctions granted by Congress or mentioned a crisis that experts describe as akin to ethnic cleansing.
"Works were damaged due to the unannounced attack."
Beijing abbot Shi Xuecheng is a well-known religious leader in China.
Only the suspect was injured in the explosion.
Beijing has demanded that foreign firms, and airlines in particular, not refer to self-ruled Taiwan as non-Chinese territory on their websites.
Beijing had said it would retaliate with punitive measures on U.S. products worth about $34 billion, including soybeans, pork and cotton.
As Trump tries to broker a trade deal with China, let's just say his history of with Beijing is... complicated.
The list of U.S. items that will be affected includes soybeans, frozen beef and cotton.
Trump’s tariffs decision provoked a warning from Beijing that it could retaliate with duties of up to $3 billion of U.S. imports.
"Call Me By Your Name" had appeared on the screening list for the April fest.
Trump said “real friends” of the United States could win waivers from the new steel and aluminum measures.