Security cameras caught three suspects pushing large suitcases into the airport and a hunt in under way for one man who left the scene (see picture below). Another explosion hit a metro station close to the European Union institutions, killing 20 people and making other 106 passengers injured, triggering high alert to neighbour countries where security was reinforced.

According to a Belgian federal prosecutor the attacks on the Zaventem airport began around 8 a.m. local time (3 a.m. ET) when a suicide bomber detonated an explosive device near the departure gates.

According to reports, ISIS fighters opened fire at the Brussels Airport before detonating explosive belts; and another attacker detonated his explosive belt at a Metro Station.

Norton said the additional bombing in the Brussels subway system proves this was an attack on transport and not one airline. Florence Muls, a spokeswoman for the Brussels Airport, said a third bomb has been neutralized at the airport.

"A photo of three suspects was taken at Brussels airport", he said.

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Representatives tell the mag that the 26-year-old didn't realize he had been hit until he started bleeding. I will CONTINUE TO MAKE NOISE!! He says he keeps rhythm by paying close attention to Murgatroyd's.

CCTV image issued by Belgian Federal Police of a man they want to trace in connection with the explosions at Brussels airport. "We looked into each other's eyes", he told Reuters. The attacks occurred four days after the Paris attacks suspect Salah Abdeslam was captured. He was arrested in Belgium last Friday.

"We were fearing terrorist attacks, and that has now happened", he said. AFP said the raid was aimed at people connected to one or several of the 11 Belgians who were charged in the Paris attacks.

After Abdeslam's arrest, police launched a manhunt for Najim Laachraou as police said his DNA was found in safe houses used by Abdeslam.

Seattle-baseed Starbucks closed all of its stores in Brussels Tuesday following terrorist attacks at the airport there and at a metro station. NY and New Jersey airports have also increased security and Germany, France and the Netherlands have announced extra surveillance measures.