Euston, here we come! HS2 starts digging tunnels to central London in landmark moment for long-awaited scheme

However, new station - alongside a revamped mainline station - is not due to open for 15 years

Euston, here we come! HS2 starts digging tunnels to central London in landmark moment for long-awaited scheme

However, new station - alongside a revamped mainline station - is not due to open for 15 years