Russian siblings Diana Nazimova, 22, and Roman Nazimova, 17, have been missing since leaving their home in Huay Yai, Bang Lamung, in the early hours of 26 July. Police are examining CCTV footage showing their motorbike meeting another bike before both vanished.
The pair left at about 4am on a black Honda ADV 160, registration 4 Kor Sor 6379 Chon Buri. Roman was riding and Diana was the passenger, according to Huay Yai Police Station investigators.
Their mother, 40-year-old Zarina Naqzimova, gave further evidence to police on 28 July through an interpreter. She said the siblings had left in their normal clothes, carrying only their mobile phones, and she believed they were going to a convenience store. She reported that she received a safety alert from one of their phone.
CCTV trail leads towards motorway 7
Police said the siblings greeted a security guard as normal when they left Bristol Park village in Moo 7, Huay Yai. At 4.02am, their motorbike was recorded passing Soi Wat Thung Lahan, heading towards Ban Amphur.
At 4.21am, CCTV captured the bike near traffic lights beneath the bridge on the Map Ta Phut-Najomtien motorway 7, around six to seven kilometres from their home.
The motorbike travelled towards the toll point before Diana briefly got off and stood beside it, then got back on. They then rode the wrong way down to the frontage road, where the pair stopped to speak with people on another motorbike.
Police said the bikes remained together about two minutes, with two people on each motorcycle when they left.
Between 4.31am and 4.33am, the siblings' bike was seen travelling with the unidentified motorcycle towards Wat Yang Yai. A third bike was reportedly following about 100 metres behind before the group disappeared from CCTV coverage.
Police check possible reported debt claim link
Investigators have also received a tip from the public, that the Honda ADV 160 may have been seen with a man identified only as Mr P. The man allegedly told the witness that he was holding the vehicle as security over a 60,000-baht debt.
Police are trying to locate the man and check whether the bike was the missing siblings' vehicle and whether the claim is connected to their disappearance.
Officers said they had not ruled out any possibility, such as the pair had been under surveillance, were lured to the area, family/friend problems or other criminal activity.
Their mother said she bought a home in Huay Yai in 2018 and brought her children to live with her in 2021. The siblings attend a school in Pattaya and, she said, they speak Russian and English but not Thai.
Authorities stated that the investigation into the disappearances is ongoing.
Pictures courtesy of Daily News
Video courtesy of พัทยา จุดเกิดเหตุ
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29 July 2026
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