Bu Ri lost a leg to a mine in Myanmar decades ago. More recently, six other members of his family have suffered a similar fate or worse, in a sign of the devastation wreaked by civil war.

The arrest of U Min Zin, who did graduate studies at U.C. Berkeley and directs a research group on Myanmar, took place soon after President Trump met with Xi Jinping in China.

© J. Scott Applewhite/Associated Press