Drone attack from Sudan kills 17 people in Chad as war spills over border

Local resident says casualties include mourners at funeral and children playing nearby.

A drone attack launched from Sudan has killed 17 people in Chad, according to the Chadian government, which has pledged to retaliate against any further strikes as the civil war in the neighbouring nation rages on.

A spokesman for the Chadian government announced the death toll on Thursday from the attack on the border town of Tine, which had been targeted despite “various firm warnings addressed to the different belligerents in the Sudan conflict and the closure of the border”.

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It occurred as mourners gathered at a house on Wednesday for a funeral, according to a local resident quoted by the Reuters news agency, who reported there were two explosions and casualties included mourners and children playing nearby.

Local government sources said it was not immediately clear who was behind the attack, according to Reuters.

Chadian President Mahamat Idriss Deby called a meeting of the defence and security council on Wednesday night, ordering the army to “retaliate starting from tonight to any attack coming from Sudan”, according to a presidency statement.

Early on Thursday, the government said Chad had strengthened its security presence at the border and could potentially carry out operations on Sudanese territory.

Sudan’s paramilitary Rapid Support Forces (RSF) denied involvement in a post on Telegram, blaming the Sudanese army.

Porous border

The conflict in Sudan between its military and the RSF began in April 2023. The war has killed tens of thousands of people and displaced more than 12 million – nearly one million of them fleeing under fire to Chad, according to the United Nations.

The border between Chad and Sudan, which is nearly 1,400km (870 miles) long and located in a desert region, is porous and difficult to control.

Almost the entirety of Darfur, a vast region in western Sudan bordering Chad, has been captured by the RSF. The last major city there under the military’s control, el-Fasher, was seized by the RSF in October. The UN has accused the paramilitary group of carrying out massacres with “hallmarks of genocide”.

On February 21, the RSF claimed control of the border town of Tina, which is separated from Tine in Chad only by a narrow stream bed that is dry most of the time.

Chad closed its eastern border with Sudan last month after clashes linked to the war killed five Chadian soldiers. Its government said the move was aimed at preventing “any risk of the conflict spreading”.

Drones a key weapon of war

Drones have become a key weapon used by both Sudan’s military and the RSF.

The Sudanese army has received Iranian-made drones and Turkish and Russian military support.

The RSF, which has no air force of its own, has been equipped through a network of supply routes reportedly running through Chad and other transit states with reports pointing to the United Arab Emirates as a key supporter, an allegation that Abu Dhabi denies.

In the first two months of 2026, the Armed Conflict Location and Event Data project recorded 198 strikes by both sides, at least 52 of which caused civilian casualties. The attacks killed 478 people.