Sri Lanka, July 20 -- Voting began on Sunday morning for an election for Japan's House of Councillors, the upper chamber of parliament, a poll that could affect the fate of Prime Minister Shigeru Ishiba, who leads a minority government.

The main focus is whether Ishiba's ruling coalition will keep control of the Upper House after the bloc lost its majority in the House of Representatives, the lower parliamentary chamber, in an election in October.

About 45,000 polling stations across the country opened at 7 a.m. Voting is set to end 8 p.m., except in some areas, with a rough outcome expected to be known late at night.

In the 248-seat Upper House, 125 seats--75 in electoral districts and 50 for proportional representation--are contested...