16 people had been taken hostage in a supermarket in the Forrest suburb of Brussels. Local media said that a man has a gun and has locked everyone inside.
Eyewitnesses said an attempted armed robbery went wrong and that the man panicked and ended up taking 15 people hostage. A police helicopter is hovering over the building and special armed units were currently rushing to the scene.
Belgian police have apprehended the gunman and all 16 people in the supermarket are safe.