New Delhi, March 30 -- A bipartisan group of four senators has plans to visit Taiwan, Japan and South Korea in the coming days on a trip meant to bolster U.S. alliances seen as important to countering China's dominance in Asia.

Sen. Jeanne Shaheen of New Hampshire, the top Democrat on the Senate Foreign Relations Committee, announced the trip Saturday. She will be joined by Sens. John Curtis, R-Utah, Thom Tillis, R-N.C., and Jacky Rosen, D-Nev. Their visits to Taipei, Tokyo and Seoul are coming before President Donald Trump's trip to Beijing in May for a rescheduled summit with Chinese President Xi Jinping.

The lawmakers' stop in Taiwan could draw scrutiny from China, which opposes such relations and sees them as a challenge to its clai...