Abaaoud was put under investigation as a possible link to four out of six attacks foiled in France since spring 2015 . This included an attempted attack by at a church in Villejuif near Paris in April 2015 , as well as the thwarted Thalys train attack , which occurred on 21 August 2015
Thalys train attack
2015 Thalys train attack
Abdelhamid Abaaoud