Inas Abulsayen has seen her sons Amer , Abdullah and Jaffar Deghayes Deghayes travel to Syria and join Al Nusra Front . Adbullah , 18 , and Jaffar Deghayes , 17 , are now dead while Amer , 20 , is still in Syria . Mother says her sons were brainwashed by YouTube and their friends . Pleads for Amer to return to their home in Sussex after brothers ' deaths .
Inas Abulsayen has seen her sons Amer , Abdullah and Jaffar Deghayes travel to Syria and join Al Nusra Front . Adbullah , 18 , and Jaffar , 17 , are now dead while Amer , 20 , is still in Syria . Mother says her sons were brainwashed by YouTube and their friends . Pleads for Amer to return to their home in Sussex after brothers ' deaths .