FBI agents raided a building Tuesday in Puerto Rico’s capital city of San Juan that is home to municipal offices associated with the administration of San Juan Mayor Carmen Yulin Cruz, a vocal political opponent of President Trump’s. "More than 10" but "less than 50" agents based on the Caribbean island arrived at the Municipal Tower at 9 a.m. ET and were still conducting the operation as of 2:30 p.m. when FBI spokesman for the U.S. territory, Carlos Osorio, spoke by phone with the Washington Examiner in the afternoon Tuesday. Osorio described the operation as "pretty big."