Authorities overlooked vital warnings after Ibrahim el-Bakraoui was deported by Turkey

As suspects remain at large, the country seeks to manage its complex politics

Belgium a central worry as groups such as Islamic State seek nuclear materials

Netherlands police were told Ibrahim and Khaled El Bakraoui sought by the Belgian authorities

The Belgian capital, one of Europe’s most Islamic cities, faces up to domestic threat

Police close in on Paris-Brussels terror cell as DNA confirms link between attacks

Two Americans and three Dutch identified as Brussels bombings victims

Death toll may rise above 31 with over 60 people still critical after metro, airport blasts

Turkey claims Belgium ignored warning as police continue to search for suspect

Brussels security issues and police department co-operation spark public anxiety

Brahim El Bakraoui struck at airport and Khalid El Bakraoui detonated a bomb on the metro

Small size and fragmented governance make Belgium ideal for arms-smuggling

Lara Marlowe: Surviving perpetrator of Paris attacks had a reputation as a bon vivant

Swiss banks vows to defend itself against unfounded allegations

As tensions flare, migration commissioner warns system could completely break down

Germany got tip before midnight that Iraq and Syria militants were planning attacks

More than 1,000 security personnel and soldiers have been deployed in the city

Raft of new security measures to be introduced following terrorist attacks

Six police raids in Brussels as French PM warns terrorists could use chemical weapons

New legislation will restrict availability of weapons and criminalise ‘foreign fighters’

Seven people detained and soccer match cancelled as search for suspects widens

The investigation shows security agencies failed to join the dots

A relatively quiet area in the Belgian capital has emerged as a centre of jihadist activity

Paris suburb-born Mostefai identified from severed finger found at Bataclan

Street closed off as police vans, sniffer dogs and bomb disposal experts deployed in searches

Shots fired as car attempts to crash through the gates of an army barracks

Prize-winning Irish setter poisoned, but not by dog-lover it is presumed

Ministers discuss stalled EU directive to share passenger records between states

EU ministers to discuss counter-terrorism co-ordination in wake of Paris and Belgium

Prosecutors investigating plot say man arrested in Athens on Saturday is ‘of interest’

Minister says strong partnership between EU states needed to combat terrorism

Belgium asks for help finding terror suspects thought to be hiding across Europe

Arrests in Belgium, Germany and France follow Belgian raid in which two jihadists killed

Belgian federal prosecutor says there was ‘a concrete plan’ to take lives of policemen

Postmortem on man from container who died