New Delhi, Nov. 17 -- Less than a month into her term, Japan's conservative leader has stirred tensions with China by suggesting a Chinese move against Taiwan could prompt a Japanese military response.

China objects to the involvement of other countries in Taiwan, notably the United States, which is the main supplier of weapons to the self-governing island. Beijing claims it as its own and says it must come under its control. It says it's a domestic issue and "a red line" that others should not cross.

Takaichi went beyond past Japanese statements

Speaking to a parliamentary committee, Prime Minister Sanae Takaichi said on Nov. 7. that a Chinese naval blockade or other action against Taiwan could be grounds for a Japanese military respo...