Khalid El Bakraoui

Brussels’ metro station attacker Khalid El Bakraoui had reached Greece from Italy in July 2015, according to Sky Italia TV network citing Italian counter-terrorism unit sources.

Specifically, on July 23, 2015, he flew to Italian city Treviso from Brussels and the next morning he flew from Marco Polo Airport in Venice to Athens.

Belgian authorities arrested a suspect believed to have taken part in the deadly attacks in Brussels, De Standaard newspaper reported.

According to preliminary information, the man arrested was seen at the Metro Station in Maalbeek with Khalid El Bakraoui before the explosion.

It was reported police recognised the man from CCTV footage.

Belgium's interior and justice ministers offered their resignations over the Brussels attacks but they were rejected by Prime Minister Charles Michel, Belgian media said on March 24.

Revelations from Turkey that it had informed Belgium that at least one of the bombers in the March 22 Brussels attack was a jihadist fighter have rocked the Western European country after authorities failed to prevent the deadly assault.

Belgian authorities have been looking for the accomplice of Khalid El Bakraoui responsible for the deadly attacks at Brussels metro station, according to French newspaper Le Monde.

Authorities have released a sketch of a man filmed by surveillance cameras in the Brussels metro on Tuesday carrying a large bag alongside Khalid El Bakraoui just before the explosion occurred.

Turkey formerly informed Belgium authorities about the terrorist links of one of the attackers in the March 22 Brussels bombings, Turkish President Recep Tayyip Erdo?an said March 23. 

The two brothers who blew themselves up in the deadly train and airport attacks in Brussels were known by police for serious crimes and are linked to last November's Paris massacre.

Khalid and Ibrahim El Bakraoui are Belgian nationals with major convictions "not linked to terrorism," federal prosecutor Frederic Van Leeuw said at a dramatic news briefing on March 23.

Two suicide bombers who blew themselves up at Brussels airport are believed to be brothers who were being sought for links with key Paris attacks suspect Salah Abdeslam, RTBF television reported on March 23, citing police sources.

The Belgian authorities confirmed that brothers Khalid and Brahim El Bakraoui are among Brussels Airport suicide bombers.

According to Belgian broadcaster RTBF, the brothers were known to police for links to organized crime.

In the meantime, authorities have released a manhunt to find the third attacker.