TOKYO (AP) — The head of Japan's Komeito says it is leaving the ruling coalition headed by the Liberal Democratic Party due to concerns over corruption.

The decision announced Friday by Komeito leader Tetsuo Saito deals a serious blow to the Liberal Democrats, who last weekend chose ultra-conservative lawmaker Sanae Takaichi as its leader.

Takaichi could still become Japan's first female prime minister, but the departure of the Buddhist-backed Komeito will compel the Liberal Democrats to find at least one other coalition partner in order to stay in power.

The ruling coalition had already lost its majorities in both houses of parliament. The lower house is due to vote on a new prime minister later this month.

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