Investigators are actively seeking a second suspect in the Brussels metro bombing who has been seen on surveillance camera footage inside the subway station with suicide bomber Khalid El-Bakraoui, a Belgian police source told ABC News.
That second suspect, who is unidentified, was spotted on the subway platform at the Maelbeek station with El-Bakraoui, according to police.
El-Bakraoui is thought to be dead after detonating a bomb on the subway train as it was pulling out of the station. The accomplice now being sought has yet to be identified, but police do not believe he died in the Tuesday attack.
In the other attack at the city’s international airport, Khalid El-Bakraoui’s brother, Ibrahim El-Bakraoui, was one of two alleged suicide bombers who led that attack.
Najim Laachraoui and a man wearing a light-colored jacket who has not yet been publicly identified by police were with Ibrahim El-Bakraoui at the airport, as seen on a surveillance camera image released by authorities.
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SOURCE: ABC News, Emily Knapp and Meghan Keneally