The incident was captured on a short video which went viral on social media on Sunday.
The people dumping the votive papers into Huong River
According to the clip, three people, including two women and one man, threw the votive papers into the river from Cho Dinh Bridge in Phu Vang District.
The video has stirred the public outrage.
Earlier on May 5, some people were also caught dumping a large amount of votive papers into the river from their boat.
Votive papers floating on the river
After that, Phan Ngoc Tho, chairman of Thua Thien-Hue People’s Committee, urged local police to investigate the case. As a result, Tran Xung and Le Van Hien in Hue City were fined VND3 million (USD130.43) and VND4 million (USD173.9) for the violation.