On 4 October 2001 , France 's then Environment Minister Yves Cochet announced that the explosion " may have been a terrorist attack " ( the explosion occurred in the weeks following the September 11 attacks ) and identified Hassan Jandoubi , a plant sub-contractor killed in the blast , as a person under investigation . French anti-terrorist authorities were prohibited by the Toulouse prosecutor from searching Jandoubi 's house for five days after the incident
September 11 attacks
September 11 attacks
AZF (factory)