Anj Handa, a friend of Afusat Saliu, who set up the petition on campaigning website Change.org, said:
We have been thwarted at every turn and the Government has failed on so many counts in this case.
The Home Office has failed to stick to its own guidelines on so many counts and have failed Afusat and her daughters miserably.
The Government had a chance to show leadership on the issue of FGM and again have failed miserably.
More top news
Mourners donned their masks and capes for a special superhero-themed funeral for a comic book fan who killed himself after being bullied.
Drug dealer who posed for selfies with wads of cash from his crimes is jailed for six years.
The traumatised children had to be rescued by fire fighters after the driver ignored closed road signs during a major flood.