A senior Kremlin official has approached Western diplomats and intelligence chiefs in a bid to help end the war in Ukraine, it was alleged last night. The source is said to have claimed that much of Moscow's elite are highly concerned about the trajectory of Russian president Vladimir Putin's invasion into the neighbouring country and are alarmed by the bite of wide-ranging sanctions levied by the West in response. A document, purportedly circulated to Western intelligence agencies and seen by The Mirror, said: 'A representative of Putin's inner-circle sent a signal about the desire to negotiate. .. It is unclear...