Foreign investors could once barely imagine that China would invade neighbouring Taiwan, but with Donald Trump as president of the United States, many view it as a tail-risk scenario they must prepare for,

Taiwanese authorities have arrested two Chinese nationals who sailed over in a small boat and attempted to land on an island. It is the third incident this month in which Chinese nationals appear to have reached Taiwan by boat, stoking security concerns.

Taiwan's formal name is the Republic of China, the name of the government which in 1949 fled to the island after losing a bloody civil war with Mao Zedong's communists, who established the People's Republic of China.