A huge military parade is underway in the capital of North Korea to celebrate 70 years since the country's ruling Workers' Party was founded.

Tens of thousands of soldiers have marched in perfect formation alongside tanks through the capital Pyongyang.

The country's leader Kim Jong-un addressed the ceremony, saying they were ready to 'fight any kind of war waged by the US'.

Reporter Alistair Bunkall is at the parade: