Thirteen people were being treated for carbon monoxide poisoning on Sunday in the west German town of Wuppertal after the toxic gas leaked within an apartment building, police said, dpa reported. All of the victims had been brought to a hospital. Seven of them, including six children, are due to be treated in a pressure chamber located in a clinic near Aachen. -- SPA 20:37 LOCAL TIME 17:37 GMT تغريد