His wife says the decision on the landmark case had been expected.
Nguyen Huu Cau receives an amnesty from President Truong Tan Sang.
But the order comes too late to help his chances of survival, his family says.
The punishment is part of a crackdown on Hmong supporters of a funeral reform program.
Rights groups slam the government's drive to suppress online criticism of its policies.
Charges were tied to the ethnic minority group's rejection of government aid.
Petition calls on the government to acknowledge the 'sacrifices' of the fallen.
They refuse to sign statements given to police over charges faced by blogger.
Van Giang residents call for a full investigation into a crackdown.
They are blocked from visiting them and fear for their health.
Truong Duy Nhat slams his conviction as a blow to freedom of expression.