High Quality Content by WIKIPEDIA articles! Between July 2011 and December 2011 a series of young Vietnamese activists, primarily located in northern province of Nghe An, Vietnam, and belonging to the Congregation of the Most Holy Redeemer and the Presbyterian Church, were arrested by the Vietnamese government for protesting for land rights and circulating a petition to free prominent legal rights activist Cu Huy Ha Vu, a prominent human rights defender who was imprisoned for seven years in April 2011.