The chief executive of High Speed 2, Alison Munro, has said that new data on the number of people that will be affected by the rail project are based on a "worst case" scenario.
She said she expected to minimise the number of lorries travelling to and from the construction project by re-using 95% of the material that is excavated.
More top news
Thousands of elephant tusks and rhino horns has been burned in Kenya, in a warning to poachers and smugglers.
The death toll following the collapse of a six-storey building in Kenya rises to 10 as fears grow for those still trapped in the rubble.
Springwatch presenter Chris Packham describes his battle with depression as "great, hopeless vacuum".