Friday 10.30pm About 200 protesters, mostly students, pile into Civic Square; police use pepper spray in attempt to disperse them Clashes begin. Crowd gathers at Tim Mei Avenue in support 10.50pm Scholarism activist Joshua Wong Chi-fung handcuffed and taken away 11pm Several protesters and police officers taken away by ambulance Yesterday 12.20am Clashes continue. More police deployed. Demonstrators block roads outside government headquarters to stop police from entering 1am At least 16 injured people sent to Queen Mary Hospital in Pok Fu Lam 2.30am Police announce six arrests 3am Police clash with crowd outside government headquarters 7.10am Police use pepper spray to disperse people gathering between government headquarters and Legislative Council building 7.50am Legco building closes until further notice. Dozens of protesters sit in a circle under flagpoles at Civic Square, surrounded by metal barricades and police. Riot police arrive 9am Police condemn violence, say four officers, 11 government staff members injured; 13 protesters arrested 9.45am Executive Council convenor Lam Woon-kwong arrives to appeal for calm 10am Cardinal Joseph Zen Ze-kiun and Occupy Central organisers Benny Tai Yiu-ting and Dr Chan Kin-man arrive to show support. Tai says date of Occupy campaign won't change 12noon Director of administration Kitty Choi Kit-yu withdraws permission for three pro-government groups to stage a rally at the square today 12.20pm Security minister Lai Tung-kwok denies use of excessive force and appeals for protesters to leave 12.40pm Pan-democratic lawmakers and pro-democracy organisations, including a union and a women's group, join protest. Crowd supporting students grows. Independent Police Complaints Council members Eric Cheung Tat-ming and Christine Fang Meng-sang arrive to observe 1.30pm Police remove all protesters from the square in 25-minute operation. Thousands still outside government headquarters 2pm 100 academics join protest 3pm Chief Executive Leung Chun-ying misses Xinhua photography exhibition he is scheduled to attend. Protesters urge citizens to take bottled water, towels and other material to the scene to help 5pm 61 protesters removed from the square are under arrest for unlawful assembly, police say. One man accused of possessing offensive weapon. They are taken to the Police College in Wong Chuk Hang. Police warn people on Tim Mei Avenue to disperse 7pm Police warn that action is imminent 9pm Police begin to remove protesters from outside government headquarters 10.20pm Occupy Central cancels today's press conference to announce plans for its "banquet" - the codename for the civil disobedience action 11.20pm Federation of Students says 36 arrested students have been released; seven members remain detained 12.30am Only three student leaders remain detained Watch: Who is Joshua Wong?