The wife of missing Interpol president Meng Hongwei has said he sent her an image of a knife before he disappeared in China.
Grace Meng told reporters in Lyon, France, that she thinks her husband was trying to tell her he was in danger.
It comes as authorities in China said the Interpol president is under investigation on suspicion of breaking the law.
The Communist Party’s corruption unit said Mr Meng, who is also China’s vice minister of public security, is “suspected of violating the law and is currently under the monitoring and investigation” of the body.
Meanwhile, Interpol says Mr Meng resigned as the body’s president this evening – but did not give any further details.
The agency issued a statement yesterday demanding “clarification” from China after Mr Meng’s disappearance.
It said: “Interpol has requested through official law enforcement channels clarification from China’s authorities on the status of Interpol’s president Meng Hongwei.
“Interpol’s general secretariat looks forward to an official response from China’s authorities to address concerns over the president’s well-being.”
Mrs Meng said she has had no further contact with her husband since she received the knife image on 25 September.
She added that four minutes earlier he had messaged her saying “wait for my call”.
Ms Meng said: “His job is very busy. We connected every day.”
Mrs Meng would not speculate on what might have happened to her husband.
Asked if she believes he has been arrested, she said: “In China, what happened, I’m not sure.”
She read a statement during her press conference in Lyon but would not allow reporters to show her face, saying she feared for her own safety and the safety of her two children.
French police announced on Friday that they were leading investigations to find Mr Meng.
Interpol links forces from its 192 member states.
It is unlikely to be affected by Mr Meng’s disappearance because the secretary general is largely responsible for day-to-day operations.
Interpol’s main function is to provide a mechanism for police forces in different countries to notify each other of wanted suspects.