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BANGKOK, July 2 (Reuters) - Rescue teams in Thailand have found 12 missing boys and their assistant coach inside a cave complex, showing "signs of life" nine days after they went missing, Chiang Rai province's governor said on Monday.

"Thai Navy seals have found all 13 with signs of life," Governor Narongsak Osottanakorn told reporters.

An international search effort has gone on since the group went missing inside the Tham Luang cave. (Reporting by Panu Wongcha-um and Chayut Setboonsarng; Writing by Amy Sawitta Lefevre; Editing by Andrew Roche)

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