He was targeted by the radical democrats, including Albert Chan of the People Power in the 2011 District Council election who opposed the Democrats' compromise with the Beijing officials on the 2012 constitutional reform proposals and in the 2015 District Council election by Civic Passion's Cheng Chung-tai. He kept the seat for 15 years but was defeated in 2015 by pro-Beijing lawyer Junius Ho in 2015 by a narrow margin of 277 votes. Legislative Councillor In April 1990, Ho and other pro-democracy activists co-founded the United Democrats of Hong Kong (UDHK), the first major pro-democracy party in the city, of which he became the founding vice-chairman. The party transformed into today's Democratic Party in 1994 when he became a member of the party's first executive committee. In 1992, he ran for the by-election in New Territories West as his first attempt to the Legislative Council after incumbent Democrat Ng Ming-yum died of cancer. He was defeated by conservative rural leader Tang Siu-tong by only four percent of the votes. He ran again in New Territories West in 1995 Legislative Council election, receiving 54 percent of the popular vote. He stepped down from the colonial legislature on 30 June 1997 on the eve of the handover of Hong Kong after the Beijing government dismantled the "through train" agreement of allowing the 1995 elected legislature to transition beyond 1997. The Democratic Party boycotted the Provisional Legislative Council controlled by Beijing and refused to take part in it. In November 1997, Ho was nominated by the Democratic Party to run for a seat in the National People's Congress, but excluded from competition when he failed to obtain the minimum number of nominations from the 400-strong Beijing-appointed election conference. In the first Legislative Council election of the SAR period in 1998, Ho won a seat in the New Territories West with his party colleague Lee Wing-tat. With his strong basis in his strategic district Tuen Mun, he was re-elected in 2000 with one of the three Democratic Party tickets. Albert Chan who had a strong basis in Tsuen Wan was also elected at the expense of Lee Wing-tat. Ho was re-elected in 2004. After the election, he unsuccessfully challenged Rita Fan in the Legco presidential election. On 20 August 2006, Ho was assaulted by three unidentified men using baseball bats and a baton in a McDonald's restaurant in Central, Hong Kong, after he had