Some 60,000 private security cameras have been added to the police surveillance network over the past year, taking the total nationwide to 160,000, Trouw said on Monday.

Every day some 60 companies and private individuals make their footage available to the police which, given each firm has an average of three cameras, means 180 new cameras a day, the paper said.

The police have been developing a network of privately-owned security cameras for years.

The paper says there are strict rules on privacy attached to the use of private cameras and the police only get actual access when there has been an incident.