Police located stuff that may be used to produce hints of volatile acetone peroxide and handcrafted belts, explosives within a raid on the flat on December 10, federal prosecutors said on Friday in a statement.
Belgian newspaper De Standaard, which reported the raid said the researchers considered the explosives were likely packed in the lead-up to the November 13 assaults into suicide belts in a resort outside Paris.
Prosecutors investigating Belgian links to the Paris strikes said the flat in the district of Schaerbeek was let under a false name that may happen to be employed by means of a man already in detention in connection with all the Paris assaults.
The find adds to signs that suicide bomb attacks in Paris and the November 13 shooting, in which 130 people were killed, were partly planned in Belgium.
A couple of the attackers were residing in Brussels and 10 people have been detained by Belgian authorities.
Researchers also found a fingerprint of Salah Abdeslam, the brother of among the attackers, who returned following the strikes the morning from Paris and has not been located.
A lot of those detained in Belgium have links including two who drove following the assaults to pick him up and another who drove him after his return to Schaerbeek from one part of Brussels.
In accordance with De Standaard, researchers consider the fingerprint suggests the flat was used by Abdeslam following the strikes as a safe house, given signals the apartment had been somewhat cleaned up, although they have no idea how long he remained there.
Belgian media likewise said this week researchers also now consider that two guys commanded the November 13 assaults by sending SMS text messages through the evening from Belgium.
Prosecutors appealed to people for assistance in the hunt for both of these guys who travelled to Hungary in September with Abdeslam using fake identity cards together with the names Samir Bouzid and Soufiane Kayal on December 4. Grainy pictures of the faces are revealed on the web site of the national authorities.
The two, certainly older in relation to the attackers, are in ensuring logistics for the business that was months in the preparation, consider to have played a critical function, according to Belgian newspaper La Libre Belgique.