Timeline: London bombings - 10 years on from 7/7
Wreaths were laid at the Hyde Park memorial and flowers were brought to the Tube stations and bus routes that were targeted by the bombers.
Chief Rabbi Ephraim Mirvis was set to visit the Hyde park memorial on Tuesday afternoon.
Three Jewish women were killed in the attacks.
Susan Levy, 53, of Cuffley, Hertfordshire, died in the explosion at Russell Square Tube. She had been travelling on the Piccadilly line.
Miriam Hyman was killed in the Tavistock Square bus blast after she had been evacuated from King's Cross station and had called her father to say she was safe.
Anat Rosenberg, an Israeli-born mother of two also died in Tavistock Square. Ms Rosenberg worked for the children's charity NCH.
