Below is a glance at key suspects in the Nov. 13 attacks in Paris and Tuesday’s attacks in Brussels. The suspects are believed to have been part of a cell linked to the Islamic State group, which claims responsibility for the attacks.

Salah Abdeslam   

(FILES) This file photo taken on November 15, 2015 shows a handout picture released in a “appel a temoins” (call for witnesses) by the French Police information service (SICOP) on November 15, 2015 of Salah Abdeslam, suspected of being involved in the attacks that occured on November 13, 2015 in Paris.
/ AFP / POLICE NATIONALE / dsk

The 26-year-old Belgian-born Frenchman is in custody in Belgium after his arrest Friday in a massive police raid. He is suspected of being the logistics man for the Islamic extremists who went on a rampage in Paris on Nov. 13, killing 130 people. Abdeslam is thought to have rented rooms, shopped for detonators and driven at least one of the killers from Brussels to Paris. He was Europe’s most wanted fugitive before being captured in the Brussels neighborhood of Molenbeek near his childhood home.

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Najim Laachraoui

Officials say Laachraoui is believed to have made the TATP-filled suicide vests used in the Paris attacks. A French police official told The Associated Press that Laachraoui’s DNA was found on all of the vests as well as in a Brussels apartment where they were made. TATP and other bomb-making materials were found in the search of an apartment in the Brussels neighborhood of Schaerbeek, linked to the Brussels attacks. Belgian police had already been searching for Laachraoui before that as a suspected accomplice of Salah Abdeslam.

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Abdelhamid Abaaoud

The Belgian-Moroccan extremist is thought to have orchestrated the Paris attacks. Authorities at first believed he had directed the attacks from Syria but later found he had slipped into Europe through Greece. He was killed during a French police raid near France’s national stadium outside Paris where three suicide bombers had blown themselves up during the Nov. 13 attacks. French prosecutors said he was traced to an apartment in the Saint-Denis neighborhood of Paris through phone taps and surveillance.

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Khalid and Ibrahim El Bakraoui

In this image made available Thursday, March 24, 2016 by Haberturk newspaper, Ibrahim El Bakraoui is pictured in a July 2015 image taken by Gaziantep police. (Haberturk newspaper via AP)

The El Bakraoui brothers were two of the three suicide attackers Tuesday in Brussels. The Belgian prosecutor says Ibrahim, 29, blew himself up at the airport. The other brother apparently blew himself up in the city’s subway system. Officials say Khalid El Bakraoui had rented an apartment that was raided last week in an operation that led authorities to top Paris attacks suspect Salah Abdeslam, linking the two attacks.

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Brahim Abdeslam

The older brother of Salah Abdeslam is believed to have been part of the team that attacked bars and restaurants in Paris on Nov. 13. He blew himself up outside a cafe during the attacks. His former lawyer said the 31-year-old was imprisoned in Belgium for a month in 2010 for stealing identity cards.

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One of attackers killed at the airport has not been identified, nor has another man in white seen pushing a trolley alongside the two suicide bombers.

Story by The Associated Press