show ad Tunnels being built for HS2 trains through central London could collapse and cause the deaths of hundreds of people, engineer warns * Tunnels being built for HS2 trains to travel under Central London could collapse * Expert chartered engineer warns rail bosses that they are risking -- above the proposed tunnels Tunnels being built for HS2 trains to travel under Central London could collapse, causing the deaths of hundreds of people, according to an expert chartered engineer. -- residents at risk,’ Elliff, 60, said. HS2 now faces legal action from an alarmed resident who is demanding to see the plans for the tunnels and assurances that the proposed tunnels will not cause the collapse of the wall. Initial plans and a slide-show presentation issued by HS2 show that a section of the outbound tunnel will be built just 5ft from the bottom of the 33ft-high and 500ft-long brick wall outside the station [File photo] Initial plans and a slide-show presentation issued by HS2 show that a section of the outbound tunnel will be built just 5ft from the bottom of the 33ft-high and 500ft-long brick wall outside the station [File photo] Initial plans and a slide-show presentation issued by HS2 show that a section of the outbound tunnel will be built just 5ft from the bottom of the 33ft-high and 500ft-long brick wall outside the station [File -- above the proposed tunnels. She has warned HS2, the Government-owned company that is building the high-speed train line connecting London to Birmingham, Leeds and Manchester, that she will launch a judicial review unless detailed drawings are produced within two weeks. -- She said: ‘There is a real chance that the wall will collapse, dragging the road and the houses down along with it.’ In March 2017, HS2 announced plans for the three tunnels, each measuring 29.5ft in diameter. Two tunnels would be for ‘inboard’ trains and one for trains leaving the station. Initial plans and a slide-show presentation issued by HS2 show that a section of the outbound tunnel will be built just 5ft from the bottom of the 33ft-high and 500ft-long brick wall outside the -- ‘It is unacceptable that they have not given us sight of a complete set of drawings and Ms Granger-Taylor is left with no other choice but to take HS2 to court.’ HS2 last night said it was confident the scheme ‘can be delivered safely’. -- Share or comment on this article: Tunnels being built for HS2 trains through central London could collapse, engineer warns