Taiwan will build a dome-like air defence system to guard against "hostile threats", President William Lai announced a day after his government warned that China is enhancing its ability to attack the island. Lai did not mention China by name - but Beijing has long claimed self-governed Taiwan as its own and hasn't ruled out the use of force to take it. Lai also said there was a "clear necessity" to boost spending - a likely reference to increasing Chinese incursions into Taiwanese waters and