KAUFMAN, Texas -  

Authorities say an assistant district attorney has been shot and killed near the North Texas county courthouse where he worked.

The shooting occurred just before 9 a.m. Thursday outside a building across from the main Kaufman County courthouse. Authorities say they are seeking two suspects in the shooting. No motive has been released.

The name of the prosecutor was not immediately announced, pending notification of family.

The courthouse was initially locked down, but that has since been lifted.

At a news conference, local law enforcement officials decried the shooting as an attack on the criminal justice system.