November 2015 Paris attacks

An unnamed man originally from Bosnia-Herzegovina, employed by Vienna's Schwechat airport, has been suspended for being "a sympathizer of Islamic State."

This discovery came after Belgian police unions warned, in the wake of last month's terrorist attacks in Brussels, that "supporters of Islamic State can be found among the employees of airports across Europe."

A photograph of a man named as terrorism suspect Reda Kriket, which had been distributed by the French interior ministry and widely circulated in the media, has turned out to be a case of mistaken identity, a French news show reported this week.

The photograph shows a young man with close-cropped hair and stubble who is not, in fact, Reda Kriket, Le Petit Journal reported.

Balkan countries such as Bulgaria and Croatia are an "important link" in the activity of terrorists in Europe, Newsweek Serbia says in a recent investigation, citing data from French police and intelligence sources.

Italian police arrested an Algerian suspected of making documents for militants linked to the Brussels bombings and Belgian authorities charged a man connected with a French raid as the investigation into the attacks spread to other countries. 

A security officer at a Belgian nuclear power plant has been found murdered with his work pass stolen - a disturbing development in the light of recent terror attacks in Brussels, Belgian newspaper Derniere Heure (DH) reported on Saturday.

Various diagrams and a map of Brussels airport hit by terrorists on Tuesday were found on computers and USB sticks at an apartment located at Pagrati area in Athens, Greece, as TV station SKAI reported.

The apartment was used as a hideout of the ringleader of the Paris terror attacks, Abdelhamid Abaaoud, until January 2015.

A man has been arrested by police in Brussels in connection with recent terror attacks in the city, Belgian public broadcaster RTBF reported on Friday.

The suspect, carrying a backpack, was shot and wounded in Schaerbeek suburb of the Belgian capital after refusing to obey police orders. Blasts were also heard during the anti-terror operation.

Police across Europe have launched operations against people allegedly linked to the Brussels attacks and a total of 12 suspects have been detained in Belgium, France and Germany. 

Six people were arrested on March 24 in a series of police raids in Brussels, federal prosecutors said, two days after jihadist attacks in the Belgian capital left 31 dead.

Europe is on high alert after the deadly attacks at Brussels airport and metro station killing at least 31 people and injuring more than 270, while the terrorists responsible for the attacks are still on the run.