India, Jan. 27 -- The United States has announced a sharp increase in tariffs on South Korean imports, escalating pressure on its Asian ally over a trade agreement that has not yet been fully approved. President Donald Trump said the tariff rate will rise to 25% from the previous 15% on a broad range of products, including automobiles, lumber, and pharmaceuticals.

Trump announced on social media, accusing South Korea's legislature of failing to enact a deal both nations reached in 2025. "South Korea's Legislature is not living up to its Deal with the United States," he wrote, underscoring his frustration with the stalled process.

The tariff hike directly affects key South Korean export sectors:

Tariffs are taxes paid by companies impor...