The release of long-detained dissidents comes just days after Venezuela's interim leader met with the US president, fueling speculation about a political opening.
The releases follow a new round of negotiations between Venezuela's interim government and opposition representatives, part of an ongoing process to address the country's political prisoners.
Relatives of senior Eritrean politicians detained without trial say they still do not know whether their parents are alive, according to a BBC News report.
The Trump administration said further releases are expected as US-Belarus relations continue to improve, according to a report by Al Jazeera.
Belarusian President Alexander Lukashenko rejected claims of new political arrests following the release of other prisoners, according to TASS.