The Cai Tau Prison in Ca Mau Province's U Minh District where 342 inmates rioted on Monday
Hundreds of inmates at a prison in the Mekong Delta province of Ca Mau took part in a riot that began with the confiscation of a single prisoner's drug stash.
Authorities told Thanh Nien that police are still questioning the inmates who participated in the riot at Cai Tau Prison.
At around 7:30 a.m. on Monday an officer discovered a plastic bag near Nguyen Van Vu, who was working outdoors.
The officer opened the bag and found around 10,000 pills and 1.4 kilograms of marijuana inside.
Vu asked the officer to return the bag but was refused.
He swore, grabbed a light bulb and smashed it to create an improvised weapon.
Security forces rushed in, seized Vu and brought him to a room for questioning.
At around 5 p.m. prisoners in three detention rooms smashed through walls connecting their rooms. They demanded that Vu not be punished.
When prison officers came to settle the riot, the inmates fought back. Local police rushed to the site to assist the officers.
The guards didn't quash the riot, which included 342 inmates, until 11 p.m.
Two officers and four inmates were injured.
Police said they are investigating the cause of the riot as well as the origin of the drugs found in Vu's possession.
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