Brazil's ruling workers party announced pro-government rallies planned for this thursday. In Ecuador, the government has warned that as many as three hundred and twenty five thousand people could be affected if the Cotopaxi volcano erupts. In Chile, the government launched a special unit within the military to investigate allegations of human rights abuses dating back to the dictatorship of Augusto Pinochet, during which over three thousand people were disappeared. An expert team of investigators from the OAS' human rights commission has condemned the mexican government's decision to block their attempts to interview soldiers they say are key witnesses in the disappearance of the 43 Ayotzinapa students. Tensions are high in the thai capital Bangkok after a bomb left 22 people dead and at least 120 injured.