DERBYSHIRE BASED civil engineer Stan Brewster is one of 31 people still reported missing following last week's terrorist attack.
Through a statement sent to Derbyshire Police, Brewster's family have confirmed he left his house in Swanwick on Thursday morning to take the 6am train into London King's Cross.
It was scheduled to arrive in London at 8am but it was reported to have been delayed.
From King's Cross, Brewster planned to travel across London to West Kensington where he was due to attend an NCE conference. He did not arrive.
Brewster is a senior project engineer at Derbyshire County Council where he works on the highways construction team.
Council chief executive Nick Hodgson said: 'We are very concerned about Stan's well being and our thoughts are with his family.' Brewster is married with two children.