Anti-government protesters jump over the fence during a rally at the Department of Special Investigation (DSI) on the outskirts of Bangkok, Thailand, Monday, Dec. 23, 2013.
A government medical center says one anti-government protester has been killed and two injured in an overnight gun attack in the Thai capital.
The incident early on Saturday close to a protest site will hasten fears that the country's political crisis could lead to a serious outbreak of violence.
The Erawan medical center said a 31-year man was killed with wounds to his torso.
Protesters are seeking to topple Prime Minister Yingluck Shinawatra ahead of elections scheduled for Feb. 2
Clashes on Thursday killed two people in the capital as protesters sought to disrupt preparations for the polls, which surveys suggest Yingluk will win easily.