"It's not a solution just to block and ignore them in my case. The only solution in stopping me seeing it is if I stop going on Twitter which is a very real possibility."
She said that she believed the "ringleaders" of the abuse should face either civil or criminal action.
Ms Phillips added: "Until Twitter makes this sort of thing stop happening and stops accepting that this sort of dogpiling and mass bullying can happen, their business model is totally flawed. People who don't like this feral side of the internet are just going to walk away."
Twitter said it did not comment on individual cases for privacy and security reasons.