Moscow, Aug. 25 -- Russia has threatened attacks against the UK's ordnance factories following its handover of its Storm Shadow missiles' blueprints to Ukraine, warning that London was fanning the flames of war and preventing peace by handing Kyiv defence equipment.

In a most explicit threat, Kremlin adviser Andrei Fedorov told BBC News that Russia could consider a "semi-military" response against British facilities producing drones for Ukraine.

Asked what such an operation could involve, Fedorov said it could mean that "something might happen with enterprises, with factories which are producing drones for Ukraine". He added that such facilities "could be attacked not by Russia, but by unknown sources".

The remarks suggested a form of hy...