Masked gunmen open fire on supermarket in southern China

This is the shocking moment a group of masked gunmen shot at people in a supermarket in southern China's Guangxi province.
At least two men were injured in the incident which took place on May 17. One was shot in the chest, local policemen confirmed.
Officers are now investigating the cause of the attack and looking for the suspects.
Surveillance footage suggested the incident took place at a supermarket in Mudong town in Bobai county in May 17 at around 10:20pm.
At least four masked gunmen emerged from a white minivan that stopped right in front of the store before they started shooting at the people inside.
The suspects can be seen carrying weapons.
At the time of the attack, there were over 10 local villagers watching television at the back of the store, a relative of the injured onlookers told Sohu News.
'The man who got shot in the chest was standing at the entrance when the gunmen started shooting,' said the relative.
The assailants then got back into their vehicle and drove off.
The attack was about 20 seconds long, as shown on CCTV.
Villagers found five bullet-like objects at the supermarket after the attack.
The motive behind the attack remains unknown but policemen are looking into the cause.