A woman identified as 'Khulood' has been arrested in Saudi Arabia for wearing "immodest clothes": a skirt and top.
The country's strict dress code requires women to wear abayas, long and loose robes, in public.
Her case has been referred to the public prosecutor.
Saudi Arabia: Woman in trouble for wearing skirt
What, where and how?
Most tribes in Najd are orthodox. It is also where Ushayqir is located, the birthplace of Wahhabism, an ultra-conservative school of Islam.
Police said she told them "the viral videos were published by an account attributed to her without her knowledge".
The Presidency of the Commission for the Promotion of Virtue and the Prevention of Vice, the "religious police", is examining the case.
The status of 'women's rights' in Saudi
In her defence, 'Khulood' told police she was accompanied at the site by her "legal guardian" - a male relative who is legally authorized to control her actions.
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Saudi social media users divided
However, many including Saudi writer Waheed al-Ghamdi posted in her support. Others said it wouldn't have created such alarm if it was a foreign woman on Saudi soil.
The fate of the woman remains unclear.
Winds of change blowing in Saudi?
Heir to the throne, 31-year-old Crown Prince Mohammed bin Salman, has focused on more open spaces, especially for the youth. Last week, the government also announced girls would now be allowed to play sports and attend physical education classes in public schools.