Cyber terrorist group has posted a video threatening Israel on Facebook . Warns there will be an ' electronic boycott ' on Israeli websites on April 7 . Means Day is planned for one day before Holocaust Remembrance Day . Video is subtitled in Arabic and appears to have been posted online by a group calling themselves ' Anonymous Arab '
Cyber activist group has released a video threatening attacks on Israel . Warns there will be an 'electronic Holocaust ' on Israeli websites on April 7 . Means attack is planned for one week before Holocaust Remembrance Day . Video is subtitled in Arabic and appears to have been posted online by a group calling themselves 'Anonymous Arab '