A grandmother held her daughter and two-year-old grandson hostage after abducting them with a Taser stun gun . An Amber Alert was issued after toddler Ronnie Tran and his mother were kidnapped by two women from their home in Des Moines , Washington , on Tuesday . Police say the 40-year-old mother was stunned with a Taser and bound with plastic ties before being driven with her son to a house in Fife . Abducted : Two-year-old Ronnie Tran ( above ) and his mother were held hostage by his grandmother who kidnapped the pair with a Taser from their home in Des Moines , Washington . The mother was then tied to a cupboard in the garage while the boy was taken inside the home . She managed to untie herself , but had to flee without her son , police said . The mother did not ring police but instead called a family member to collect her , only dialling 911 later that evening , it was reported by KIRO7 . A neighbor , Tony Marta , told how he saw a woman run screaming from the garage next door . He said : 'She like stuttered , saying `` they attacked me '' in broken English . ' Reunited : Ronnie with his parents after being located by police in Renton on Wednesday . Police said Ronnie was found safe and well in Renton at 9am yesterday and has been reunited with his parents . It is not clear exactly how or where he was located . Police have arrested one woman , named as Alyssa M Chang , but say the boy 's paternal grandmother , 65-year-old Vien Nguyen , is still at large . Detectives have not revealed a motive .
Amber Alert issued after toddler and his mother were abducted from home . Pair driven to another house where mother was tied to cupboard in garage . Mother ran from garage screaming 'they attacked me ' after untying herself . Toddler Ronnie Tran reunited with parents but grandmother is still at large .