Tokyo Gov. Yuriko Koike will announce her candidacy around June 10 for this summer's gubernatorial election in the capital, a source said Wednesday.
Koike, a former defense minister, became governor in 2016 without the backing of Prime Minister Shinzo Abe's Liberal Democratic Party. But the party is considering backing her this time in the July 5 election.
The governor, 67, is preparing to announce her bid for re-election when the current regular session of the metropolitan assembly ends, the source said.