James Mcauley Daniela Deane The Washington Post

More than a dozen people were killed and many others injured after apparently coordinated explosions rocked Brussels' airport and a metro station Tuesday, raising fears that attackers carried out retaliatory strikes after the arrest of a key suspect in last year's Paris massacre.

More than a dozen people were killed and many others injured after apparently coordinated explosions rocked Brussels' airport and a metro station Tuesday, raising fears that attackers carried out retaliatory strikes after the arrest of a key suspect in last year's Paris massacre.