Russia called Thursday, April 14 for the closing of the Turkey-Syrian border to prevent the Islamic State and the Al-Nusra Front extremist groups from receiving foreign fighters and weapons into Syria — and from exporting oil, artifacts and other goods, the Associated Press reports.

Russia's UN Ambassador Vitaly Churkin told a Security Council meeting on countering terrorism that members should also think about imposing a complete trade and economic embargo against the Islamic State group.

Churkin accused Turkey on Thursday of "complacency or inaction" in allowing fighters and weapons to cross into Syria and the bulk of IS oil to be exported along with cultural artifacts.

"If Turkey feels that it is doing everything necessary to curtail the flows of supplies to terrorists, this could be corroborated by independent monitors," he said.

Churkin called on the Turkish government "on a voluntary basis" to invite international observers to its borders with Syria and the port of Ceyhan.

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