Investigators said they were unsure of the attacker’s motives. But clues pointed to an isolated and increasingly troubled life, and no accomplices.

© Billy H.C. Kwok for The New York Times

She says Taiwan must embrace its Chinese heritage to avoid war. Her critics say she wants to steer the island into Beijing’s orbit.

President Lai Ching-te is aiming to invest an additional $40 billion in military spending to deter China.

A diplomatic row with Japan over Taiwan has China turning to Britain and France for support, appealing to their shared history as wartime allies.

President Lai Ching-te says the spending, which must be approved by the island’s legislature, would fund purchases of arms from the United States.

China closed off Japanese seafood imports after Japan’s new leader declared strong support for Taiwan. Suddenly, sushi is everywhere on Taiwanese social media.

China’s leader wants to weaken American support for Taiwan. But first he will want clarity about President Trump’s stance toward the island.