A cheetah has attacked two members of staff at a Kent wild animal park.The big cat scratched and bit the two keepers when they went into the enclosure to film it at Eagle Heights in Eynsford on Sunday.They managed to escape after spraying one-year-old Zena in the face with a fire extinguisher.Alan Ames, owner of Eagle Heights, said although she was a "bit feisty" and boisterous at times, the attack was "very much out of character".