American journalist Danny Fenster was released from prison on Monday in Myanmar and has left the country, his employer and family said, following negotiations between former US diplomat Bill Richardson and the ruling military junta.

Fenster, 37, the managing editor of independent online magazine Frontier Myanmar, was sentenced to 11 years in prison on Friday for incitement and violations of laws on immigration and unlawful assembly, a ruling that drew international condemnation.

Fenster left Myanmar on Monday with...