The British Defence Ministry confirmed on Monday that the UK participated in the US-led coalition's airstrike in Deir ez-Zor, Syria, when the country's army was bombed.
London said it "would not intentionally target Syrian military units".
MOD statement on involvement in recent #Syria air strike.
Australia and Denmark have also confirmed their air forces' participation in airstrikes in Deir ez-Zor.
Details to follow.