Deputy police spokesman Krisana Patanacharoen said Chaiyut Kongcharoen, 40, was apprehended in Cha-am district and would be returned to police in Krathum Baen district of Samut Sakhon, where the alleged offence occurred.
Chaiyut was sought under a court arrest warrant. He was detained at a Krungthai Bank branch in Cha-am as he was using his passbook to withdraw money.
Bank staff recognised him from police photos shown on the media. Police also found 10 methamphetamine pills (ya bah) in his pocket, according to media reports.
Chaiyut alleged confessed to the crime against his stepdaughter.
Police began a search for him on Wednesday (June 6).
He had taken his 11-year-old stepdaughter from their maternal grandparents in Ang Thong on Tuesday (June 5). He claimed her mother was seriously ill and he was taking the child to see her in Samut Sakhon.
On Wednesday he asked a taxi driver on Setthakit 1 Rd in Krathum Baen district, Samut Sakhon, to take the unconscious girl to Krathum Baen Hospital. He said he found her unconscious on the roadside.
He told the driver he would report the matter to police and then go to the hospital. In fact, he went missing.
A doctor said the girl had been sexually assaulted and had bled heavily. She was in an intensive care unit but is now out of danger.
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