Russia’s Defense Ministry has reported that a Russian major general was killed in eastern Syria’s Deir ez-Zor province on Tuesday after the convoy he was riding in hit an improvised explosive device (IED).

According to the state-owned news agency TASS, the Russian convoy was returning from what the Russian military said was a “humanitarian mission” when it was hit by the IED. Two other Russian officers were wounded. The general was only identified as a “senior military advisor.” He died from his wounds after being evacuated, the ministry added. 

The IED attack reportedly took place near the At-Taim oil field, about 15 km outside the city of Deir ez-Zor, an area that has seen frequent violence. 

The Ministry of Defense said the IED involved was placed on the side of the road along which the Russian convoy was traveling. No one has yet acknowledged responsibility for the latest attack on Russian troops.

“As a result of the explosion, three Russian servicemen were injured. During evacuation and while receiving medical assistant, a senior Russian military advisor with the rank of major-general died from the serious injuries sustained,” the Ministry of Defense said in a statement.

The Russians claim to have lost over 120 soldiers in the fighting in Syria since 2015, although that number could in reality be much higher. 

The Russian military said the general will be honored posthumously for his service while his family will receive all possible assistance and support. Another Russian advisor, Lieutenant-General Valery Asapov, was killed in Deir ez-Zor three years ago when an ISIS artillery shell struck him and his translator. Asapov was the commander of the Syrian Fifth Attack Troop Corps of Volunteers. He had also worked undercover during the fighting in Ukraine. 

Last month, three Russian and several Turkish soldiers were wounded in Idlib province when a joint military patrol was hit by an improvised explosive device. The increase of attacks against these joint patrols caused the Russian government to temporarily suspend the joint patrols with the Turks.