One of Brussels airport bombers worked as cleaner in EU Parliament
An EU official said the person was Najim Laachraoui.
This undated handout photo released on March 21, 2016 by the federal police on demand of Brussels' king prosecutor shows Najim Laachraoui, 25 years old(photo credit: HO / BELGIAN FEDERAL POLICE / AFP)ByREUTERSUpdated: