Alva Review-Courier -

WASHINGTON (AP) — As President Donald Trump was heading to Singapore for a historic summit with North Korea's leader, a State Department diplomatic security agent who was part of the advance team reported hearing an unusual sound he believed was similar to what was experienced by U.S. diplomats in Cuba and China who later became ill.

The agent immediately underwent medical screening — part of a new U.S. government protocol established to respond to such potential health incidents anywhere in the world. And while the president was flying to the Southeast Asian city state, the U.S. delegation pr...