In an extraordinarily blunt intervention, Air Chief Marshal Sir Richard Knighton warned that Russia's military strength is increasing and is something to fear, with Russian troops now battle-hardened after spending the past nearly four years waging a full-scale war in Ukraine.

In an extraordinarily blunt intervention, Air Chief Marshal Sir Richard Knighton warned that Russia’s military strength is increasing and is something to fear, with Russian troops now battle-hardened after spending the past nearly four years waging a full-scale war in Ukraine.