Kim Jong Un crosses Russian border for talks with Putin

North Korean leader Kim Jong Un has arrived via rail in Russia where he is due to meet President Vladimir Putin.

Mr Kim left Pyongyang for Russia on Sunday on his private train, North Korea's state media reported.

It is not known where the leaders will meet, as Mr Kim's train is reportedly heading north, away from the city of Vladivostok.

A US official said they were expected to discuss an arms deal as Russia faces a Ukrainian counter-offensive.

The Kremlin said that the "fully fledged visit" would cover "bilateral...