Families of Shamima Begum , Amira Abase and Kadiza Sultana spoke out . Teen jihadi brides believed to have joined ISIS after leaving UK last week . Families have pledged to do 'everything ' to ensure the girls ' safe return . They also used message to again lash out at police , school and council . Accused authorities of 'failing to act appropriately and pass on information '
Families of Shamima Begum , Amira Abase and Kadiza Sultana spoke out . Teen jihadi brides believed to have joined ISIS after leaving UK last month . Families have pledged to do 'everything ' to ensure the girls ' safe return . They also used message to again lash out at police , school and council . Accused authorities of 'failing to act appropriately and pass on information '