Party on course to lose a third of the 57 seats it won in 2010 , sources say . The party is also facing internal divisions over whether to support Prime Minister Shinzo Abe's push for constitutional revision that would allow him more power and authority than his predecessor did.
Party on course to lose a third of the 57 seats it won in 2010 , sources say . Clegg admits party is fighting 'tooth and nail ' in a tenth of constituencies . Aides think that even 30 seats could be enough to hold balance of power .