The two Tunisian nationals who assassinated Commander Massoud in Afghanistan had fake Belgian passports , and the Moroccan Islamic Combatant Group ( Groupe Islamique Combattant Marocain , or GICM ) has links in Belgium too - there were arrests in Brussels and Antwerp of individuals involved in the Madrid bombing . As a result , stringent measures were taken against passport and other official documents forging
Madrid bombing
2004 Madrid train bombings
Crime in Belgium