The newspaper said that Phan Thanh Hai and Nguyen Van Hai are also suspected of attending a training course in 2008 organised by a Vietnamese overseas political party, Viet Tan.

BBC: Vietnamese bloggers deny charges, third in leniency bid

Correspondents say that Phan Thanh Hai's blog covered various sensitive issues in Vietnam, including a dispute with China over maritime boundaries, controversial bauxite projects, a scandal around a debt-laden state-owned shipbuilder and case studies of famous dissidents.

BBC: Vietnamese bloggers deny charges, third in leniency bid