"Lawyer Paulo Sá e Cunha analysed the police intervention at a campsite in Rossio Square, Lisbon, noting that, although the setting up of tents was illegal and constituted the criminal offence of disobeying a lawful order, the police operation may not have been proportionate. He also pointed out that the Government’s preventive approach aims to avoid an escalation of protests and stressed that the Inspectorate-General of Internal Affairs (IGAI) will be responsible for investigating any potential excesses by the security forces."