Of the 87 million Facebook users who were affected by the personal data privacy breach, 3 million were from Europe.

A spokesman for Hamburg’s data protection ombudsman stated, the city has opened non-compliance procedures against Facebook, the world’s biggest social network which in recent days have been accused of abusing its users’ data.

In a statement, the spokesman said, as a first step it would be holding a hearing on the accusations.

The development comes in the wake of revelations that personal information concerning millions of its users wrongly ended up in the hands of Cambridge Analytica, a political consultancy.

Of the 87 million Facebook users who were affected by this personal data privacy breach, 3 million were from Europe.