U.S. forces on Saturday stopped a second merchant vessel off the coast of Venezuela in international waters, two American officials told The Associated Press.The tanker stopped voluntarily and allowed U.S. forces to board it, on e official said.RELATED STORY | Trump announces blockade of Venezuelan oil tankersThe move comes days after President Donald Trump announced a blockade of all sanctioned oil tankers coming in and out of the South American country and follows the Dec. 10 seizure by American forces of an oil tanker off Venezuelas coast.The officials were not authorized to discuss publicly the ongoing military operation and spoke on condition of anonymity.RELATED STORY | Full video of Venezuela drug boat strikes will not be made public, Hegseth says ...read more read less