Japan's PM under pressure after key vote lost

Taro Aso is facing increasing pressure within his party to step aside before elections

Pressure comes after his party lost a key vote in Tokyo

Aso's Liberal Democratic Party lost its majority in the Tokyo Metropolitan Assembly

Kyodo says he plans to dissolve Diet's lower house Tuesday, call for new elections



(CNN) -- Japanese Prime Minister Taro Aso is facing increasing pressure within his party to step aside before national elections after his party lost a key vote in Tokyo on Sunday.


Japanese Prime Minister Taro Aso said the Tokyo election would have no effect on the national vote.

Aso's Liberal Democratic Party lost its majority in the Tokyo Metropolitan Assembly as the opposition Democratic Party of Japan made the largest gains.

The LDP won 38 seats, down from 48. Its coalition partner, the New Komeito Party, won 23.

The opposition boosted its numbers from 34 to 54 representatives in the assembly. The results mean the LDP loses its decisive majority previously held along with the New Komeito Party.

Speculation now centers on how the Tokyo vote will affect the national election, which must be held by the end of October.

Aso said the Tokyo election would have no effect on the national vote, but Japan's Kyodo news agency said Monday that he plans to dissolve the Diet's lower house Tuesday and call for new