[DW] Security forces in the city of Rotterdam have locked awayMaw! They're comin' to get me, Maw!
five people suspected of plotting a "terrorist crime." Police are investigating the nature and scale of the terror threat.
The Dutch public prosecutor's office opened an investigation on Saturday into a suspected terror plot in the Netherlands. The counter-terrorism Special Intervention Service (DSI) and police initially arrested four people in Rotterdam who were suspected of plotting a "terrorist crime," police said.
A fifth suspect was detained later on Saturday, according to a tweet posted on the Rotterdam Police account.
Officers carried out searches at the locations where the suspects were detained, according to police. Details of any evidence seized were not given and no further information on the suspects was provided by authorities.
"They are suspected of involvement in the preparation of a terrorist crime," a police statement said.
"Investigations will continue in the coming days, with the emphasis on further investigation of the nature and scale of the terrorist threat."
Police did not immediately reveal details of the alleged planned attack.