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MANILA (4th UPDATE) -- Police said Tuesday they were investigating the kidnapping of a Chinese woman in the Makati City financial district.

Makati Police identified the woman as Zhou Mei, 28. She was dragged screaming by 2 men into a waiting van past 9 p.m. Monday along Paseo de Roxas corner Perea St. in Legazpi Village.

A witness shot a video showing the gray-colored vehicle speeding off with its door still open.

JUST IN: Makati City police are investigating the kidnapping of a Chinese woman in front of an office building along Paseo de Roxas cor. Perea St. in Legazpi Village.

Witnesses said she was dragged screaming by 2 men into a waiting van which quickly sped away. pic.twitter.com/jASk3jcf1v

— Anjo Bagaoisan (ᜀᜈ᜔ᜇᜒᜌᜓ ᜊᜄᜏᜒᜐᜈ᜔) (@anjo_bagaoisan) December 9, 2019

An eyewitness told ABS-CBN News the victim struggled against her abductors.

"Akala ko no'ng una, away mag-jowa, 'yon pala iba," he said.

(I thought it was a lovers' spat, but it turned out not to be the case.)

Passersby wanted to help but were worried they could get hurt.

"Nakakatakot din po kasi baka may dala 'yong kumidnap kaya wala nang nakialam," he said.

(The abductors might be armed that's why no one intervened.)

• Chinese loan shark abductions up amid tourist influx from mainland

The victim appeared to know her abductors because she went near the van before she was dragged inside, said Col. Rogelio Simon, head of Makati City police.

Police traced the van's plate to a different vehicle, an L300 van, which had no previous record with authorities, Simon said.

Police recovered several documents, including photocopies of Chinese passports and deeds of sale of vehicles from the scene of abduction.

"Based din sa lahat ng investigations natin at saka interview natin, the victim na pinipilit ipasok sa van is Chinese, babaeng Chinese, ang assessment namin tinatago rin ang kanyang identity kasi naka-face mask din para hindi siya makilala," Simon said.

(Based on our investigations and interview, the victim is Chinese, a female Chinese, and who, on our assessment, is withholding her identity because she was wearing a face mask so she could not be identified.)

"Ang tinitingnan namin usually na cases ay mga POGO [Philippine offshore gaming operations] o online companies na Chinese na 'yong kanilang employees mismo nakakagawa ng kasalanan," he said.

(We are looking into cases involving POGO) or online companies run by the Chinese, where their employees must have done something wrong.)

LOOK: Makati police recovered from the scene of the abduction documents from the sale of vehicles between Chinese individuals, including photocopies of passports.

These were inside an envelope that fell from the vehicle when it left.

They plan to trace the people named. pic.twitter.com/ZQpOK8gz13

— Anjo Bagaoisan (ᜀᜈ᜔ᜇᜒᜌᜓ ᜊᜄᜏᜒᜐᜈ᜔) (@anjo_bagaoisan) December 9, 2019

—Report from Anjo Bagaoisan, ABS-CBN News