Key Points:

The Police Minister will meet the Police Commissioner today before deciding if an investigation is needed into police spying on protest groups.

The Special Investigation Group, set up in 2004 to focus on terrorism threats to national security, has been reportedly paying informants to spy on groups such as Greenpeace, animal rights and climate change campaigners and Iraq war protesters.

Debate on this issue will be closed over the summer break. Here is a selection of Your Views: