Blind lawyer and boss take on 24 peaks in 24 hours to raise £150,000 for charity

Michael Smith, 33, from Finsbury Park in north London, will be tethered to his work colleague, Jack Stacy, 38, who lives in London Bridge, for 24 hours as they take on the challenge while raising £150,000 for SeeAbility, a charity offering support for those who live with sight loss or those who have a learning disability or autism.