November 25, 2014: Police officers surround bailiffs as they clear barricades from the Mong Kok protest site. Clashes later broke out. Photo: Sam Tsang

November 25, 2014: Police officers arrive to assist bailiffs by forming a line to prevent demonstrators from reoccupying the area. Photo: Sam Tsang

November 25, 2014: Police officers threaten to use pepper spray. Photo: Sam Tsang

November 25, 2014: Police arrest protesters at the Mong Kok clearance operation. Photo: Dickson Lee

November 25, 2014: Police arrest protesters during the Mong Kok clearance operation. Photo: Felix Wong

November 25, 2014: Police officers, wearing helmets and holding shields, continued to push the crowds further down Portland Street. Photo: Dickson Lee

November 25, 2014: Protesters wear helmets and masks. Photo: Dickson Lee

November 25, 2014: Police fire pepper spray solution at protesters. Photo: Sam Tsang

November 25, 2014: A man has water poured on his face after being pepper-sprayed by police. Photo: Sam Tsang

November 26, 2014: Police officers clash with protesters during clearance operation in Mong Kok early in the morning. Photo: Dickson Lee

November 26, 2014: A protester is pushed to the ground by police. Photo: Dickson Lee

November 26, 2014: Joshua Wong is carried away by police. Photo: SCMP Pictures

November 26, 2014: Police officers dismantle tents on Nathan Road in Mong Kok. Photo: Sam Tsang

November 26, 2014: Members of the taxi industry group (with red caps) try to clear barricades away in Mong Kok. Photo: Sam Tsang

November 26, 2014: Traffic resumes along the recently cleared section of Nathan Road. Photo: Dickson Lee

November 26, 2014: Pro-democracy protesters vowed to return to Mong Kok tonight after hundreds of police officers demolished barricades and reopened Nathan Road to traffic following weeks of occupation. Photo: Sam Tsang

November 26, 2014: Clashes break out as protesters attempt to reoccupy Mong Kok. Photo: Felix Wong

November 26, 2014: Some 200 protesters regroup in the area overnight, angered by removal tactics yesterday. Photo: Felix Wong

November 26, 2014: Police and protesters become engaged in a heated verbal exchange. Photo: Sam Tsang

November 27, 2014: Protesters begin staging a sit-in on Sai Yeung Choi Street South. Photo: Felix Wong

November 27, 2014: A general view of the crossing of Nathan Road and Argyle Street in Mong Kok after the clearance operation. Photo: Edward Wong

November 27, 2014: Student leader Joshua Wong Chi-fung is pelted with eggs outside court after he was banned from entering parts of Mong Kok as a condition of his bail. Photo: K.Y. Cheng