U.S. ramps up Cuba sanctions, detentions of Americans returning from island

U.S. President Donald Trump’s administration is increasing pressure on Cuba by imposing more economic penalties on industries in the heavily sanctioned socialist country and broadening enforcement of laws that bar Americans who visit the island from dealings with government-owned or -affiliated businesses. The Treasury and State departments announced Thursday that they are leveling new penalties against nine state-owned mining, metal and construction companies along with the leadership of the Cuban Institute of Friendship with the Peoples, or ICAP. Secretary of State Marco Rubio said the institute is responsible for sponsoring “a vast subversive network in the United States aimed at identifying, cultivating, and radicalizing” Americans.“Just days ago, the regime attempted to use Communist kingpin and despot Fidel Castro’s 100th birthday to reinvigorate this subversive network, ferrying a new brigade of international sympathizers to Havana to network with regime officials,” Rubio said in a statement.“The Trump Administration will not stand by while a hostile foreign power seeks to exploit our freedoms — none of which are afforded to its people — by misleading and corrupting American...