In raids that began on June 2, security and paramilitary forces have arrested five opposition presidential challengers as well as journalists, businessmen and a banker.
All four are critics of Nicaragua's authoritarian President Daniel Ortega and have been detained in recent days in an expanding crackdown on dissenting voices.
The Central American nation has only 6.5 million people, but experts say the region will be watching closely whether Biden can impose costs on Nicaraguan President Daniel Ortega.
The Central American nation has only 6.5 million people, but experts say the region will be watching closely whether Biden can impose costs on Nicaraguan President Daniel Ortega.