Moscow said Wednesday that a Ukrainian "sabotage" group had blown up the Togliatti-Odesa pipeline that Russia used to export ammonia before the start of the offensive.
"A Ukrainian sabotage and reconnaissance group blew up the Togliatti-Odesa ammonia pipeline" near the village of Masyutovka in the northeastern Kharkiv region on Monday evening, the Russian defence ministry said, adding that civilians had been injured.
Russian Foreign Ministry spokeswoman Maria Zakharova said that it would take one to three months to repair the damaged Togliatti-Odesa ammonia pipeline.
Moscow earlier accused "Ukrainian saboteurs" of blowing up a section of the pipeline in Kharkiv region. Ukraine says the pipeline has come under repeated Russian shelling.
The ammonia pipeline, the world's longest, may be key to the renewal of the Black Sea grain export deal.
Moscow has said it will limit the number of ships allowed to travel to Ukraine's Pivdennyi port near Odesa under the deal until the pipeline is restarted. It has been shut since Russia invaded Ukraine last February.
"The ammonia pipeline was one of the linchpins of the implementation of the agreements made in Istanbul on July 22, The (pipeline) was key to global food security," Zakharova said.
