TOPSHOT - Grace, the wife of the missing Interpol president Meng Hongwey, talks to journalists on October 7, 2018 in Lyon during a press conference during which she did not want her face to be shown, a day after Interpol demanded an official "clarification" from China on the whereabouts of its missing police chief, after reports said he was detained for questioning on arrival in his homeland. - Beijing has remained silent over the mysterious disappearance of Meng Hongwei, who was last seen leaving for China in late September from the Interpol headquarters in Lyon, southeast France, a source close to the enquiry told AFP. (Photo by JEFF PACHOUD / AFP)