Environmental and indigenous activists claim Costa Rican Byron Reyes Ortiz and five other detained foreigners were holding a workshop on building efficient wood-burning stoves.
One U.S. official expelled was reportedly on assignment to research a transoceanic canal that a Chinese company plans to build to rival the one in Panama.
The $80 million T-72B tanks are a significant purchase for the hemisphere’s second poorest country, which spent $71.6 million total on its military in 2015, according to the Stockholm International Peace Research Institute.
Nicaragua's Congress has scuppered a bill backed by thousands of people hoping to block a cross-country canal project, saying the legislature does not have the authority to weigh the issue.