Tsang Kin-shing has pledged to champion the rights of the poor on a joint ticket with two other ex-Democrats for a Hong Kong Island seat in September's election. 'The interests of the poor have not been taken care of since the handover. Tung Chee-hwa only cares about the big corporations, not the workers,' said Mr Tsang, nicknamed The Bull, who quit the party in May, widening the rift between the Young Turks and mainstream factions. He will run with Steve Chan Kwok-leung and Manuel Chan Tim-shing, an Eastern District Council member, for the fifth seat on the island. Steve Chan quit the Democratic Party in June. Both he and Mr Tsang were eliminated in the party's candidates' list for the elections. Manuel Chan left the Democrats in 1995, joined the Citizens Party in 1997, but quit in April. Of the five seats being contested on Hong Kong Island, the Democrats and the Democratic Alliance for the Betterment of Hong Kong are expected to share the first four. Competition for the fifth seat intensified after Citizens Party chief Christine Loh Kung-wai announced she would not seek another term. Potential contenders include Wan Chai district councillor Ronald Fung and The Frontier's Cyd Ho Sau-lan. Mr Tsang said the two major parties would not have enough votes to get the fifth seat. 'There's room for us . . . we're not fighting colleagues in our pro-democracy camp. We just want one more seat for it,' he said.