Dhaka, Jan. 4 -- Police have detained five people in connection with an incident in which a woman was tied up and tortured by having water poured on her, after a video of it spread on the Internet.

They were detained from the Markazut Talim Al-Islami Madrasa in Dhaka's Nadda on Saturday midnight, said Gulshan Police chief Md Rakibul Hasan.

However, the detainees were produced in court on Sunday as the victim could not be located.

Later, the court sent them to jail for seven days, police said.

In the video that went viral on Facebook on Saturday, a woman dressed in winter clothes was seen tied up to an electric pole, and two people were pouring water on her from small buckets and mugs.

Among the crowd, one was filming it on his mobile...