By Chester Yung, Joanne Chiu and Prudence Ho 

HONG KONG--A Hong Kong official said the government for now won't attempt to clear areas that have been occupied by protesters for weeks, but didn't rule out a tougher approach to end the impasse eventually.

"Politically, logistically, timing-wise, clearing [the protest site] is impossible now," the official said. "But in the long run, who knows?"

The government and protest student leaders stuck to their positions in the first talks between the two sides earlier in the week. The government offered to submit an official report to Beijing that reflects the protesters' views, but said it won't ask China's leadership to revoke its election plan for the city. No new talks are scheduled.

"The ball is now in the students' court. We really have nothing more that we can offer to them," said the government official.

Student leaders said there has been no progress on a new date for talks.

The government official's comments came a day after fresh scuffles broke out in the working-class district of Mong Kok between protesters and people who oppose the demonstrations.

An artist who was trying to prevent barricades from being removed at a busy intersection was shown bleeding on local television after allegedly being slashed across the face by a man using a sharp tool.

In the evening, a man in his 50s carrying a bag of what witnesses said smelled like paint thinner tried to set fire to a pile of supplies for protesters with a lighter, while shouting threats. The man was quickly subdued by protesters and later detained by the police.

Several people were hit by bags thrown from a building that appeared to contain a mixture of red paint and feces. Police said on Thursday afternoon that in all 11 people had been arrested in connection with incidents in Mong Kok.

While clashes have continued to flare up in Mong Kok, the main protest site near the government complex in the city's Admiralty district has been peaceful after a night of clashes last week when police allegedly dragged a handcuffed protester around a corner and beat him. The officers have been suspended.

Police cleared the Mong Kok protest site, across Victoria Harbour from Admiralty, last week only to see protesters reoccupy it during a weekend of violent confrontations.

The government official said the government's tactic of waiting for public opinion to turn against the protesters and put pressure on them to end their occupation doesn't appear to be working.

"When the protesters are willing to ignore court injunctions, what role can public opinion play?" the official said.

According to the first public-opinion poll released since the protest began, support for the protesters has increased rather than declined. The survey by the Chinese University of Hong Kong showed that 38% of respondents supported the protesters in October, up from 31% in September. The portion of the population that doesn't support the protesters dropped to 36% from 46% in September.

But the poll of 802 people was taken just over a week after police fired tear gas at protesters on Sept. 28; support may have declined since then as the inconveniences of blocked roads weigh on the public.

In a sign of the frustration among many in Hong Kong's business community, a senior J.P. Morgan Chase & Co. banker walking to lunch on Wednesday interrupted a live roundtable webcast on Hong Kong's pro-democracy protests to express his frustration over the continued street blockage.

"Hong Kong has many people who are against Occupy Central," said David Lau, who heads the U.S. investment bank's China corporate finance division.

He spoke for nearly two minutes, ignoring attempts by the program's host to stop him. "People are trying to get to work, and you've blocked off the streets. That's not democratic either, is it?" said Mr. Lau, who told The Wall Street Journal he wasn't aware the program was being streamed live.

J.P. Morgan, whose main Hong Kong offices are just blocks away from the Admiralty protest site, said Thursday that Mr. Lau's comments were his own personal opinions and don't represent the bank's views.

Write to Chester Yung at chester.yung@wsj.com, Joanne Chiu at joanne.chiu@wsj.com and Prudence Ho at prudence.ho@wsj.com

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