March 26, 2016, A Belgian federal commissioner has called for an investigation into the outage of the communication system for security and emergency services. The system called ASTRID has malfunctioned for as many as two hours during which emergency services were forced to use Whatsapp to organize efforts to help with the aftermath of the attacks. A spokesman for police confirmed that the system did malfunction. The problem was mostly blamed on overloaded lines causing it to crash. A mobile unit was sent in to improve radio communications.

Read more here: http://www.innerspection.com/#!Investigation-into-communications-system-failure-during-Brussels-attacks/cjds/56f693b80cf26be41bda705a