It has been nine days since a wave of ISIS attacks in Paris killed 130 people. French authorities have said the Paris attacks were organized in Belgium.
According to Belgian federal prosecutor Frederic Van Leeuw, authorities carried out some 20 searches Sunday and 16 people were arrested. No firearms or explosives were found.
Also not found: At least one man suspected of involvement the Paris violence, Salah Abdeslam, a French citizen who grew up in Belgium, remains at large. The prosecutor did not identify any of those people in custody.
Meanwhile, the French National Police posted a picture of a man it said was one of the dead Paris attackers on its official Twitter account. The photo is accompanied by an appeal to the public for information about the man, whom officials do not name.
