Afghanistan, Oct. 29 -- U.S. secrecy over expanded military operations in Latin America is raising alarm among lawmakers and regional governments, as deployments and strikes rapidly intensify.

U.S. military officials involved in President Donald Trump's expanding operations in Latin America have been required to sign unusual non-disclosure agreements, sources told Reuters. Senior defense officials said the approach has raised concerns over the true scope and aims of the mission.

Venezuela has repeatedly accused Washington of preparing for direct military intervention. Lawmakers in the U.S. Congress say they have been kept in the dark about key details, despite their oversight role in national security deployments.

The Pentagon's secrecy ...