The Latest on the investigation into militant attacks in Paris and elsewhere in Europe (all times local):

2:30 p.m.

French President Francois Hollande and other French officials are scheduled to meet with Paris attacks victims' associations later Monday in Paris.

Hollande had been needled by criticism from some victims for a refusal to meet with the associations. The some of the groups — which represent the 130 victims of the attacks, their families and survivors — are lobbying the French government to shift from what they consider a security-focused approach to fighting terror.

The groups, predicting more attacks, want the government to have a more coordinated system to help victims of terrorism in the immediate aftermath of attacks and over the long term.

Some have lamented chaotic conditions on Nov. 13 and in the following days, when family members struggled to find out if their loved ones were dead or alive, and where they were.

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12:15 p.m.

Belgian prosecutors are appealing to the public for information about a man who allegedly traveled to Hungary last year with the top suspect in the Paris attacks.

The federal prosecutor's office said in a statement Monday that they are seeking details about 24-year-old Najim Laachraoui, who is said to have traveled to Syria in February 2013.

It said Laachraoui was checked by guards at the Austria-Hungary border while driving in a Mercedes with attacks suspect Salah Abdeslam, who was captured in Brussels on Friday, and one other person.

Laachraoui is said to have rented a house under the name of Soufiane Kayal in the Belgian town of Auvelais which was allegedly used as a safe house. Prosecutors said traces of his DNA were found there.