Taiwan’s imports of liquefied natural gas could be vulnerable if China someday imposed a blockade, the archipelago’s defense chief said — highlighting the concern Beijing’s military activity is raising in Taipei.

The drills were the latest show of force by China, which claims Taiwan as its territory and has protested Western support for the island.

TAIPEI, Taiwan — China held live-fire drills off the coast of its southern Fujian province facing Taiwan, just a week after a massive air-and-sea drill it described as punishment for Taiwan’s president rejecting Beijing’s claims of sovereignty.