A third Ugandan minister was charged with corruption in a widening government scandal over the alleged theft of thousands of metal roofing sheets intended for a relief programme in the northeastern Karamoja region. On Wednesday Agness Nandutu, the state minister for Karamoja Affairs was remanded in prison by a Kampala judge after pleading not guilty to "dealing with suspect property," according to court papers seen by Reuters. Nandutu was accused of receiving 2,000 roofing sheets from government stores "which she had reason to believe were acquired as a result of loss of public property." Prosecutors have already charged two other…