* Last confirmed report records 21 dead and several injured at the blast.
* Belgium sending 225 extra troops to Brussels following blasts.
* London's Gatwick airport stepped up security as British Prime Minister David Cameron prepared to hold an emergency cabinet meeting on the attacks.
* Dutch military boosts security at airports and borders.
* Netherlands boosting airport security, tightens border controls.
* Security measures have been reinforced at the Charles De Gaulle airport in Paris.
* A full deployment of security officials is underway at all eight terminals of the international airport and its two railway stations, with reinforced checks on trains arriving from Brussels.
* Security was tightened Tuesday at Frankfurt airport, Germany's busiest hub.
* Belgian public broadcaster VRT says Brussels airport bomb was suicide attack.
* Belgian broadcaster RTBF cites hospital source saying up to 10 dead, 30 wounded after Brussels explosions
* Two explosions occured at Zaventem airports in Brussels
*Belgium raises security alert to maximum level 4 across country
* Several dead and injured - with many wounded hit by glass, ceiling tiles
* The explosion occured in the departure hall shortly before 8am local time
* Cause of explosion not clear
* Airport closed till further notice
* More bombs were discovered
Agencies
