U.S. Treasury Secretary Jack Lew addresses the media during a visit at the Medical Center Hospital in San Juan, Puerto Rico, May 9, 2016. REUTERS/Alvin Baez/File Photo

U.S. Treasury Secretary Jack Lew addresses the media during a visit at the Medical Center Hospital in San Juan, Puerto Rico, May 9, 2016. REUTERS/Alvin Baez/File Photo

U.S. Treasury Secretary Jack Lew addresses the media during a visit at the Medical Center Hospital in San Juan, Puerto Rico, May 9, 2016. REUTERS/Alvin Baez/File Photo

June 3, 2016 8:33 AM (UTC+8)