KUALA LUMPUR, Dec. 28 -- Police have arrested 12 men and a Vietnamese woman in connection with an armed clash at a restaurant in Taman Mount Austin, Johor Bahru yesterday.

Johor Bahru South district police chief Assistant Commissioner Raub Selamat said a video of the incident, which also went viral on social media, is believed to have occurred at about 3.50am.

"Preliminary investigations found that the incident occurred when a group of men attacked the victim and his friend using metal chairs and a meat cleaver, causing the victim to suffer injuries to the head, arms and calves, as well as scratches all over the body.

"The motive is believed to stem from a misunderstanding between two individuals over a personal debt," he said in a sta...