In this August 2018 file photo, Italian volunteer Silvia Costanza Romano, left, poses with local resident Ronald Kazungu Ngala, 19, in the village of Chakama, in coastal Kilifi county, Kenya AP
 In this August 2018 file photo, Italian volunteer Silvia Costanza Romano, left, poses with local resident Ronald Kazungu Ngala, 19, in the village of Chakama, in coastal Kilifi county, Kenya AP

Italian aid worker kidnapped in Kenya has been freed