The Amsterdam police found a new clue in the investigation into mail bombs sent to various Dutch companies since the end of last year. On the most recently sent mail bombs, the extortioner used a nonexistent company Skysence Trading as the sender. For the return address, they used an existing postcode and existing house number in The Hague, the Amsterdam police said on Twitter.
A suspicious letter was found at a company on Schatbeurderlaan in Weert. The police are at the scene to investigate whether the case is another mail bomb in a series of incidents which began last January. The company was evacuated as a precaution, the Limburg police said on Twitter, with authorities on high alert for the incendiary devices, several of which have detonated.
The police shared more information about mail bombs sent to different businesses in the Netherlands since late last year on Opsporing Verzocht on Tuesday evening. Investigators hope that information from the public can help them find the perpetrator behind these explosive letters.
A mail bomb exploded at an ING facility in Amsterdam on Thursday afternoon. On person was checked over for smoke inhalation by paramedics at the scene, the Amsterdam police said on Twitter.
The incident happened on Bijlmerdreef. Firefighters, paramedics and police were first dispatched to the scene just after 12:15 p.m.
A company in Leusden received a suspicious letter on Thursday morning. The police and the Ministry of Defense's explosive disposal department EOD are at the scene to investigate.
The letter was sent to financial services company Unisys on Storkstraat, according to NU.nl.
Two mail bombs which exploded in Amsterdam and Kerkrade earlier on Wednesday were part of an extortion plot where the sender demanded an undisclosed amount of bitcoin. The demand was made with the promise that, if paid, the sender would stop distributing the explosives, police said in a statement.
The amount involved was not revealed so the information could be used against any eventual suspect, police said.
A suspicious letter was found in Maastricht on Wednesday, after two mail bombs exploded in Amsterdam and Kerkrade earlier in the day. There was no explosion in Maastricht, the Limburg police said on Twitter. Minister Sander Dekker for Legal Protection called the blasts "worrying". "As far as we can see now, there are no victims, no injuries. So that's great," he said to De Limburger. "For the rest, the police must investigate."
There were explosions at companies in Amsterdam and Kerkrade on Wednesday morning. The Amsterdam explosion happened in the mail room of a company in the Sloterdijk area, the Kerkrade blast happened at a postal company. The police suspect mail bombs. No one was injured in either of the blasts, the Amsterdam and Limburg police said on Twitter.
None of the companies that received mail bombs and threatening letters over the past two weeks were customers of central collections agency CIB, director Niels de Peuter said to AD on Tuesday after consulting with the police. The envelopes the bombs and threats were sent in were made to look like they came from the CIB.
A car company in Amsterdam received a threatening letter this weekend that appears to correspond to threatening letters sent to various targets who also received mail bombs over the past week, the police said to NU.nl. The car company in question did not receive a mail bomb, the police said.
The Netherlands forensics institute NFI is currently investigating the letter for trace evidence, as it is also doing with the other threatening letters and mail bombs.
A mail bomb was intercepted at a post sorting center in Rotterdam on Sunday. The bomb was originally sent to a gas station in the city and the staff returned it to its sender, without knowing the letter contained a bomb, the police said to NU.nl.
Police were called to the Hotel Okura in Amsterdam Zuid on Friday morning after workers there discovered a suspicious letter matching the appearance of a series of six mail bombs sent to separate locations in the Netherlands over the past week. Authorities arrived at the five-star hotel minutes before 9 a.m., joined by an explosives expert from the police. The Defense ministry's explosives ordinance disposal unit arrived an hour later.
Mail bombs were delivered to five different businesses in Amsterdam, Rotterdam and Utrecht over the past week, police said on Thursday. Each of the bombs was potentially dangerous, but luckily none of them exploded.
Authorities cautioned the public to be alert for any letters from CIB in Rotterdam. All of the suspicious, bulging letters carried the CIB logo and Wilhelminakade address of debt collection firm Centraal Invorderings Bureau. In each instance, the CIB logo and address were printed on one label, and the recipient's information was printed on a second label.