ministry of defence
Russian-controlled Mariupol is at least 80km from the frontline.
Even as Moscow tries to renews its offences, pushing its air force would lead to "unsustainable aircraft losses", the MoD claimed.
A lack of trained personnel and resources is to blame.
It could be an attempt to "imply that the Russia operation is sustaining momentum".
UK intelligence says "unprofessional" ammunition storage may be to blame for high number of deaths.
It's yet another sign that Russia is struggling more than it might admit in the Ukraine war.
UK intelligence says other areas are "likely to come under increasing pressure" in order to help fund the military action.
The latest UK intelligence report says new rules will extend the "repressive powers available" to the Kremlin.
The MoD alleged the Kremlin is likely to fear backlash from reservists' families too.
Kyiv's astounding counteroffensive may be about to hit a stumbling block.