A maskless man filmed dancing on the Dubai Metro has been arrested on suspicion of "disturbing other passengers with his inappropriate actions".
He has already been fined for breaching Covid-19 rules.
The Asian passenger faces a Dh5,000 ($1,360) fine and a possible jail sentence over the incident.
Police said he performed an "indecent public act", without elaborating.
The force said the man "appeared in a viral video in a Dubai Metro carriage, disturbing other passengers with his inappropriate actions".
The man performed what police said was an 'indecent' dance and failed to wear a mask on the Dubai Metro. Courtesy: Dubai Police
"He was also fined for failing to adhere to Covid-19 precautionary measures," said police.
Brig Obaid Al Hathboor, head of the transport security department, said the video spread "across social media platforms, showing disrespectful and insensitive behaviour toward the people around him".
If convicted, the man could face up to six months in jail, in addition to the fine, he added.
He has already been fined for "disregarding the requirement to wear a medical mask in a public place".
Dubai Metro new stations – in pictures
The Expo 2020 metro station will initially be used by employees and other eligible travellers to the site of the world fair. Courtesy Dubai RTA
A look at two new stations that will open up in June on the Expo 2020 Metro Red Line. Courtesy: Dubai RTA
View of the newly completed Discovery Gardens metro station in Dubai. Pawan Singh / The National
Al Furjan metro station in Dubai. Route 2020 will open to the public in January. The extension of the Red Line includes seven new stations, including Al Furjan. Pawan Singh / The National
The elevated line can be seen at Al Furjan metro station. Route 2020, which connects the city with the Expo site, has been under construction for the past four years. Pawan Singh / The National
Discovery Gardens metro station is one of the seven stations on the new route leading to the Expo 2020 sites. Pawan Singh / The National
An estimated 270,000 live in the Discovery Gardens, Jebel Ali, Al Furjan and Jumeirah Golf Estate areas. Pawan Singh / The National
A metro train passes a residential building in Al Furjan, Dubai. Residents of the area say they are looking forward to using the new transport link. Pawan Singh / The National
The extension to the line should mean fewer people will rely on private cars or taxis to get around. Pawan Singh / The National
Workers put finishing touches on Al Furjan metro station. The station is one of seven on Route 2020. Pawan Singh / The National
Workers at the Discovery Gardens metro station. Pawan Singh / The National
Construction on the metro stations has been under way for the past four years. Pawan Singh / The National