News, views and top stories in your inbox. Don't miss our must-read newsletter Sign up Thank you for subscribing We have more newsletters Show me See our privacy notice Invalid Email

The Brussels attacks suicide bombers were plotting to build a dirty bomb and target a nuclear power plant, it's been claimed.

Brothers Ibrahim and Khalid El Bakraoui, who were behind the deadly attacks at the airport and metro station, were reportedly planning a bomb to scatter radioactive material in a populated area.

The terrorists had also planted a hidden camera in front of the home of a director at the Belgian nuclear power plant , according to reports.

The footage showed the nuclear boss's comings and goings and prompted investigators to conclude the terrorists "could have put national security in danger like never before", the newspaper La Derniere Heure reported.

(Image: Getty)

Read more:

An official at the Federal Agency for Nuclear Control told The Times: "When you start filming someone in the way they did, the logical conclusion is that they wanted to abduct that person and to obtain radioactive material.”

Plots to build a dirty bomb was "the big question" faced by the authorities, the official added.

As a result, 11 Belgian nuclear workers have had their work passes revoked, the Times reports.

Belgium's two atomic power plants, a nuclear research facility and a company that makes medical isotopes were under guard by 140 soldiers.

Six people have been arrested in connection with the Brussels terror attacks, Belgian prosecutors have said.

At least 32 people were killed and 270 injured when suicide bombs ripped through the airport and a Metro station on Tuesday morning.

Video Loading Video Unavailable Click to play Tap to play The video will start in 8 Cancel Play now

(Image: Reuters)

Read more:

Three terrorists died in the explosions and a massive manhunt was launched to track down other suspects believed to be behind the blasts.

Belgian prosecutors said the arrests were made during raids in central Brussels, Jette and the Schaerbeek neighbourhood - where police found a large stash of explosives and other bomb-making material earlier this week in a flat believed used by the suicide bombers.

Schaerbeek residents said they heard blasts during the police raids, but it is unclear of these were explosions or controlled detonations.

The arrests came as officers in France swooped on a man suspected of being in the "advanced stages" of a plot to attack the country, in a raid on the outskirts of Paris.

France's interior minister Bernard Cazeneuve said there were no links "at this stage" between the plot and the terror attacks in Brussels and in Paris in November.

(Image: XPOSUREPHOTOS) (Image: Getty)

Read more:

Belgian security services were hunting two men pictured with the suicide bombers shortly before the attacks and believed to be on the run.

One of the men was caught on CCTV carrying a large bag and walking with jihadist Khalid El Bakraoui moments before the bomb detonated, according to state broadcaster RTBF and France's Le Monde newspaper.

Another of the suspected killers, dubbed "the man in white", was pictured pushing a trolley through Zaventem Airport with Najim Laachraoui and Khalid's brother Ibrahim before they blew themselves up.

More details have emerged over exactly what the security services knew about the terrorists involved in the atrocities.

Prosecutors have confirmed the Brussels bombings, for which the Islamic State claimed responsibility, were linked to the Paris attacks in November.

(Image: Getty) (Image: FameFlynet)

Video Loading Video Unavailable Click to play Tap to play The video will start in 8 Cancel Play now

Read more:

Khalid is believed to have rented a house in Charleroi in Belgium which was used as a hideout for the Paris attackers.

An international warrant was out for his arrest and police had been searching for him since December.

Belgium's interior minister and justice minister offered to resign amid growing questions about why authorities failed to prevent the terror attacks, but the prime minister refused to accept the resignations.

Meanwhile, the family of Briton David Dixon, 53, who is originally from Hartlepool but was living in Brussels and has been missing since the Metro blast, said it was "anxiously waiting" and hoping for "good news" about him.

Home Secretary Theresa May joined counterparts from the European Union for an emergency meeting in Brussels on Thursday to discuss ways to fight terrorism.

(Image: Getty) (Image: Getty)

Video Loading Video Unavailable Click to play Tap to play The video will start in 8 Cancel Play now

Arriving at the meeting, Mrs May said the killings were "cold-blooded and sickening attacks".

She added: "Obviously investigations are still ongoing, but we know that those responsible - Daesh - seek to divide us and harm our way of life and the UK stands ready to support Belgium in any way it can to unite, to defeat these terrorists.

"We will give Belgium the support it needs but our message is clear: The terrorists will not win."

Downing Street said six UK citizens had been injured in the twin attacks, four of whom have been discharged from hospital and two are still receiving treatment.

Flights to Brussels airport have been suspended until Monday, the airport said.