2025 Abduction of Claudia Abbt, Agadez, Niger

Overview

On 13 April 2025, at around 7:35 p.m., Claudia Abbt, a 67-year-old Swiss community development worker, was abducted by armed gunmen from her home in the Dagmanett 2 district of Agadez, Niger. Abbt had been engaged in long-term community development work in the region. Her kidnapping occurred roughly three months after the similar abduction of Austrian development worker Eva Gretzmacher from another district of the same city, underscoring a pattern of gunmen specifically targeting foreign humanitarian and development workers residing in Agadez.

Attribution

The abduction was attributed to the Islamic State – Sahel Province (ISSP), the Islamic State's regional affiliate operating across Mali, Niger, and Burkina Faso. Security analysts noted that the kidnappings of Abbt and Gretzmacher, both carried out inside Agadez town rather than in the remote desert areas where ISSP traditionally operated, along with the group's demonstrated ability to transport hostages to areas under its control in eastern Mali, indicated a significant expansion of ISSP's operational reach into previously safer urban areas of northeastern Niger.

Context

Abbt's abduction was one of at least eight kidnappings of foreign nationals attributed to ISSP across the Sahel between January and April 2025, the group's most intense foreign hostage-taking campaign since it last targeted a foreign humanitarian worker in 2018. Analysts linked the campaign to ISSP's deepening ties with criminal smuggling networks capable of moving hostages across long distances, as well as to the reduced counter-terrorism capacity of the military governments then in power in Niger, Mali, and Burkina Faso, each of which had also scaled back cooperation with Western security partners in the preceding years.

International Response

The Swiss government confirmed it was monitoring Abbt's case through diplomatic and consular channels, consistent with standard practice of not publicly disclosing negotiation details in active hostage situations. The abduction, coming shortly after that of Gretzmacher, prompted renewed travel and security advisories from Western governments regarding Agadez and the wider Sahel region, and added to concerns among humanitarian organisations about the safety of aid personnel operating in northern Niger.