WATCH: Chilling footage of Barcelona terrorists preparing for attack

Chilling footage has emerged showing Barcelona terrorists Omar Hychami, Houssaine Abouyaaqoub and Moussa Oukabir at a store where they bought weapons just hours before they killed 14 people and injured at least 120 others in a van-ramming attack.

BarcelonaHoussaine AbouyaaqoubIslamic terrorMoussa OukabirOmar Hychami