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
Bournemouth all but sealed promotion to the top-flight for the first time in their history with a 3-0 win against Bolton.
Son of barrister hired by Lord Janner told ITV News his father once believed peer would have to face charges over child abuse allegations.
Low pressure brings cooler, showery conditions over the next week