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NY siblings missing after terrorist attacks at Brussels airport

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Loved ones are desperately trying to learn what happened to two siblings after a pair of bombs went off inside Brussels international airport as they were getting ready to fly back to New York.

Sascha and Alexander are both missing following the deadly explosions at Brussels international airport. (Facebook)

Sascha and Alexander are both missing following the deadly explosions at Brussels international airport. (Facebook)

Sascha and Alexander Pinczowski, whose social profiles indicate both live in Manhattan, have still not been found following a series of ISIS-coordinated explosions throughout the capital of Belgium that killed at least 34 people and hurt hundreds of others. A search for the brother and sister through the official Red Cross database gathered no results early Wednesday.

Their last known conversation was reportedly with their mother, who spoke to them as they were checking in with American Airways before the deadly blasts, according to a family friend's Facebook post. Lack of communication in the aftermath has sparked a search via social media.

"Their mother is worried sick since she can't get hold of them since this morning when they were checking in at Zaventem airport - American airways at 8.30 this morning. If you have friends that work in hospitals or emergency centres, please share with them so that if they recognise them they may get the police to contact the parents."

Another acquaintance, from the Netherlands, published a similar post asking for the public's help.

"We are still looking for Alexander Pinczowski and his sister Sascha," Karen Van Suijdam wrote Tuesday. "They are missing in the Brussels airport attack since this morning."

Sascha, who recently worked as a production intern at Shiraz Events based in Chelsea, told her boss she needed to sort out immigration issues in her homeland of Greece before returning to Brussels where she was raised and then New York, the Post reports.

She attended Marymount Manhattan College on the Upper East Side and speaks five languages, according to her LinkedIn profile.

Alexander is diabetic, stands about 6 feet tall and has brown eyes and hair and beard.

A woman who says she's Alexander's girlfriend, named Cameron Caine, also pleaded for help finding the pair on Twitter.