Benedetta Ciaccia, 30, from Norwich was travelling to work on the Embankment and is believed to have been caught in Liverpool Street bomb.
Rachelle Chung For Yuen, 27, an accountant living in Mill Hill, north London, was believed to be on the Piccadilly line.
Anthony Fatayi-William, 26, an oil executive, from Nigeria, is believed to have boarded a bus bound in the same direction as the number 30.
Karoline Gluck, 29, administrative assistant from Finsbury Park, north London, heading for Russell Square on the Piccadilly line.
Monika Suchocka 23, trainee accountant from Archway, north London, heading for west Kensington. Believed to be on the No 30 bus.
Ania Brandt, 42, was travelling on the Piccadilly line from her home in Wood Green, north London, to a cleaning job in Hammersmith.
Mihaela Otto , 47, travelling from Mill Hill to job as a dental technical in Sloane Square; believed to have been on the Piccadilly line.
Slimane Ihab, 24, from Paris, was working in a restaurant in Piccadilly Circus and travelled from Finsbury Park on the Piccadilly line.
Gamze Gunoral, 24, student of English; believed to have been on Piccadilly line train.
Mike Matsushita, 37, from refugee family in US; was likely to have been on Piccadilly line.
Jamie Gordon, 37, administrative assistant from Enfield who had lived in this country for several years, is believed to have been on the No 30 bus.