In March 2016, the earliest indications of coordinated terrorist attacks on the Brussels airport and Maalbeek metro station came from eyewitnesses and were surfaced by Dataminr for News.
Dataminr for News relayed the first eyewitness accounts from the ground
Dataminr for News's powerful, proprietary algorithms filtered through millions of Tweets and detected the earliest signals of the attacks.
Translated from Dutch
Huge bang in train @BrusselsAirport. not know what is going to attend.
Bomb explosion at Brussel airport. Apparent terrorist activity. Airport is on lockdown and being evacuated.
Explosión metro maalbeek
Just arrived at Schuman station after walking on the tracks.