Japanese Prime Minister Shigeru Ishiba said Monday he will stay in office to tackle challenges such as rising prices and high U.S. tariffs after a weekend election defeat left his coalition with a minority in both parliamentary chambers.

The yen climbed across the board on Monday after beleaguered Japanese Prime Minister Shigeru Ishiba vowed to hang on as leader even though his ruling coalitionlost its majority in Sunday's upper house elections,

Japanese Prime Minister Shigeru Ishiba sought to buy time for his premiership following a second election setback in less than a year that leaves him in a weaker position to stave off opposition tax cut demands or secure a last-minute trade deal with the US.

Japan's Liberal Democratic Party, which Prime Minister Ishiba leads, secured 47 seats in parliament, short of the 50 it needs for a majority.

Japanese Prime Minister Shigeru Ishiba on Monday stressed the need to establish a common understanding among parties on the pros and cons of cutting the country's sales tax rate.

Japanese voters headed to the polls on Sunday in a tightly contested election amid public frustration over rising prices and the imminent threat of US tariffs.

Japanese Prime Minister Shigeru Ishiba's coalition lost its upper house majority in elections on Sunday, local media projected, in a result that could end his premiership.

Shigeru Ishiba likes the nitty gritty of policy, cigarettes and making models, but his dream job as Japanese prime minister could go up in smoke this weekend.He won the party leadership in September,