ISIS militants claim to have shot down a Russian helicopter in Syria.

It has been reported the chopper was gunned down near the T4 air base east of Homs.

1 ISIS militants have shot down a Russian helicopter over Syria, it is claimed Credit: PA:Press Association Images

Today jihadis released photos of their fighters claiming they were operating near the airbase, which is used by Russia and Syrian government forces.

A truck can be seen mounted with an anti-aircraft gun.

The latest claim comes a month after ISIS told how they shot down a Russian attack helicopter with a guided missile.

Russia intervened in Syria to help Syrian President Bashar al-Assad fight the Islamic State.

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