Create a "petition's news" section #301
Description
In order to display the news about the petition's updates and evolution.
The section could be under the body of a petition, above the comment area.
The displayed news are posted by the administrator of a petition.
I saw a good example on change.org :
https://www.change.org/p/non-%C3%A0-la-fermeture-des-centre-tedybear-d-aide-aux-enfants-avec-autisme-sauvons-tedybear