TASIS invites UN probe into alleged Sudan army chemical weapons use

Officials of the TASIS-backed Peace Government attend a meeting in Nyala, South Darfur, in September 2025

Sudan’s TASIS-backed Government of Peace has formally invited United Nations investigators into territories under its administration and called for an independent investigation into allegations that the Sudanese military used chemical weapons during the country’s ongoing war.

In a statement, Information Minister and government spokesperson Khalid Ahmed Danaa welcomed the UN Human Rights Council’s decision to extend the mandate of the Independent International Fact-Finding Mission for Sudan by another year.

The government said it was prepared to cooperate fully with investigators, provide access to relevant locations and facilitate interviews with victims, survivors and witnesses without interference.

The invitation follows the Human Rights Council’s October 5 vote to renew the mission’s mandate, with 28 countries supporting the resolution, 10 opposing it and nine abstaining.

Danaa said the extension offered an opportunity to document serious violations, preserve evidence and establish accountability for abuses committed throughout the conflict.

The TASIS-backed administration urged investigators to examine alleged violations by Sudan’s military, including attacks on civilians and civilian infrastructure, as well as claims concerning the influence of Islamist groups within the armed forces.

It also called for an urgent scientific and forensic investigation into allegations that chemical agents had been deployed during the fighting.

According to the statement, investigators should be permitted to inspect suspected attack sites, collect and preserve physical evidence, interview witnesses and determine the nature and possible sources of any chemical substances used.

The government said responsibility for violations should be established through independent evidence and international legal standards, rather than political considerations.

The allegations have gained international attention following a US determination in April 2025 that Sudan’s government had used chemical weapons in violation of international law.

Washington imposed sanctions in June 2025 and announced additional restrictions in July 2026 after determining that Sudan had not met the conditions required under US chemical weapons legislation.

Sudan’s military-aligned authorities have rejected allegations of chemical weapons use and disputed the basis of accusations raised against them.

The UN fact-finding mission’s renewed mandate allows it to continue investigating alleged violations of international human rights and humanitarian law, preserving evidence and identifying those potentially responsible.

The October 5 resolution also requests further reporting to the Human Rights Council and the UN General Assembly.

The Port Sudan authorities have previously opposed the mission and restricted cooperation with its investigators, according to Sudan Tribune.

By contrast, the TASIS-backed administration said its invitation would allow investigators to examine conditions directly in areas under its control.

The government called for direct communication with UN officials to arrange visits and establish procedures for cooperation.

It stressed that investigations should cover serious violations by all parties to the conflict and that accountability should not depend on the political or military affiliation of those implicated.

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