They used it to free Payet from his solitary confinement in a prison in Grasse .
Despite these measures , on July 14 , 2007 , taking advantage of Bastille Day celebrations , four masked men hijacked a helicopter from Cannes -- Mandelieu Airport .
men used it to free Payet from his solitary confinement in a prison in Grasse .
Despite these measures , on July 14 , 2007 , taking advantage of Bastille Day celebrations , four masked men hijacked a helicopter from Cannes -- Mandelieu Airport .