The center said that since the outbreak of the anti-government protest began in November 30 last year, a total of 10 persons have died and 571 were injured.
It said that the latest violence yesterday during the advance polling left 13 injured and one dead. One protest leader was killed and 12 were injured at the polling station in front of Wat Sri-iam temple in Bang Na, and another at Lat Krabang district polling station.
All were admitted to Vibharam hospital, two are in ICU, and four remained at hospital. Five were discharged from hospitals.
It said that of the 571 people injured, 20 are still in hospitals.