A woman was tied to a tree and tortured allegedly by two of her brothers-in-law in Brahmanbaria on Monday.

The incident took place at Sadar upazila between 5:00pm and 8:00pm, said police and locals.

The victim, wife of an expatriate, used to live with her two children at her in-law's house.

Based on a complaint filed by her with Sadar Model Police Station on Monday, police arrested her brothers-in-law, Mangal Mia and Zainal Abedin, yesterday afternoon, said Officer-in-Charge Mohammad Mozzafar Hossain.

A video clip of the incident went viral on social media.

Police recorded the complaint as a case, the OC said.

According to the case statement, Mangal had been harassing her for a long time.

On Monday, when she protested, he started beating her, it added. Later, Zainal and other family members joined him. They tied her to a tree and continued to beat her, the case statement said.

Speaking to The Daily Star at the police station, the woman said, "They suddenly stormed into my room while I was talking to my husband over the phone. They dragged me to the yard and started beating me. When my children tried to save me, they beat them too."

"Then they tied me to a coconut tree and tortured me for nearly three hours," she said. "A local union parishad member rescued me and arranged treatment at the district hospital," she added.

Ripon Miah, member of ward-4 of Sultanpur Union Parishad, said he went to the spot on information from locals and rescued her.

The OC said based on the woman's complaint, they arrested Mangal and Zainal.