The 'Stop Soros' law is named after Hungarian-born billionaire and open-borders advocate, George Soros.

The law was voted on in the Hungarian parliament on Wednesday, where Viktor Orban's right-wing Fidesz party holds a two-thirds majority. Under the law, individuals who aid migrants, informing them about the asylum procedure or "providing financial or property benefit" will be liable for a 12-month prison sentence. NGOs working with migrants will need to seek licenses and will see the scope of their work severely restricted.

The law was criticized by Human Rights Watch, who called it "the latest salvo in the Hungarian government's war on refugees and those who help them."