Riots broke out when workers rallied demanding the establishment of Batam City Minimum Wage 2012 Rp1,76 million at local government offices and forced entry by reason of rain, resulting in about 20 people were injured.
Besides resulting in injuries, riots on Wednesday afternoon as well make the most of the glass doors and windows of the City Government Building (Local Government) Batam rupture and about 10 cars owned by the government and the employees are parked, broken.
Based on the record of clinic staff Batam City Government, the number of injuries which handled more than 15 people, while more than five people had to be rushed to a Kamatya Sahidah Hospital (formerly Casa Medika), and Awal Bros Hospital, Batam.
"We do not know for certain data. More than 15 people that we handle, while based on the report outside the evacuation officer, there are about five people who rushed to the hospital," said Chief Medical Officer of Batam City, Rizal Chandra monitoring the medical treatment at the Clinic Batam City Government.
Chandra said, most of the victims suffered injuries due to throwing stones and glass shards.
"There is also a rubber bullet hit a bullet wound which released the officer," he said.
Chairman of the Branch Chairman of Indonesian Metal Workers Federation (FSPMI) Batam, Yoni Mulyo Widodo said at least four workers are exposed to fire rubber bullets officer.
"There were four people who were shot, but I do not know the names. Meteka rushed to the hospital," said Yoni.
Chief of Batam Police, Adjunct Senior Commissioner Yohanes Widodo said it had tried to avoid violence but the number of officers that are not balanced by mass rioting broke out.
"The number of members is not balanced. Actually, since the beginning we have sought to prevent riots by protesters bring together representatives with the Deputy Mayor of Batam. But apparently there are no results and there were riots," he said.
Yohanes said, the number of members who were deployed to secure the action amounted to 1,200 people, while the number of laborers to protest more than 20 thousand.
Post and Police Cars Burned
Mass of workers who were expelled police from Batam Mayor's Office on Thursday afternoon burned cars and damaged several police stations in Simpang Kabil, Simpang Batamindo Mukakuning and Simpang Batuaji Base Camp.
Mass burning motorcycle convoy with a police car and struck a police station in Simpang Kabil Mall across the Riau Islands.
At the junction Batamindo one motorcycle burned following the mass traffic police post nearby, and not far from the gate Batamindo Industrial Area, a charred car in the middle of the road.
At the Police Station of Sei Dam Mukakuning a parked car singed citizen protesters, while the glass-glass building while a fire destroyed the post was not enlarged.
"What now? Earlier we concentrate on Batam City. Members are here to save themselves from the masses brutal," said police chief AKP Eden Sei drum.
Chief of Batam Police, AKBP Yohanes Widodo together Sabhara and Brimob assess the damage and move toward Tanjunguncang and Sagulung.
In that direction, police post in front of the complex MKGR Housing and Traffic Police Station at Simpang Base Camp also destroyed burned.
The glass front of Sagulung of Police Headquarter mob also pelted disbanded after delivering a shot.
From the direction Batuaji to Sekupang, police stations in the market Batuaji Aviari also burnt out.
Meanwhile Mayor Ahmad Dahlan in a meeting with the mission of the union said it would keep asking the city minimum wage (UMK) in 2012 amounting to Rp1, 302 million as the needs of decent living made in 2011.
Mayor states willing to talk directly about the attitude in the face of the mass when the conditions of guaranteed security.
On Thursday around 14:30 pm mass of protesters already out of the local government offices after throwing a rock tinged with the apparatus of the police and Satpol PP of Batam City Government.
Mass of urgency, burning tires and banners in three places along Engku Putri Street and the way back from the "game", set fire to several police stations and cars.