A disgruntled postal worker, he took the mayor and two council members hostage Tuesday, then waged a gun battle with police when the officers heard shots fired. Five people, including a policeman and the gunman, were wounded.

A letter carrier in Dallas fatally shot a post office clerk after they argued in a break room. The 27-year-old suspect ran from the building and sped off in a car after the 11:30 a.m. shooting as several post office employees prepared for lunch. He is found not guilty of murder by reason of insanity.

Officials in Denver said the gunman holding up to five hostages at a postal mail-sorting facility had been taken into custody and the hostage situation was over. The gunman, a former postal employee fired more than a year ago for threatening his supervisor, had held the hostages for more than nine hours.

Shot his ex-wife and her friend Tuesday afternoon at point-blank range in a crowded Miami Beach post office, and then shot and killed himself.

In Milwaukee, Anthony had been turned down for a transfer to the day shift opened fire in the main post office, killing a co-worker and wounding two others before killing himself as a colleague pleaded, " Don't do this ."

A 41 year old, 18-year Postal Service veteran, shoots a supervisor to death in a post office parking lot in Las Vegas.

Police in the Chicago suburb of Palatine Illinois have arrested a postal employee described by co-workers as a " beautiful guy ". He walked into work yesterday and shot and wounded two men he regularly joked and ate lunch with, police and employees said.

A postal worker walks up to his boss in a processing center in City of Industry, Calif., pulls a handgun from a paper bag and shoots him to death. The 58 year old was sentenced in 1996 to 22 years in prison without parole after pleading guilty to second-degree murder.

A 29 year old, former postal worker burdened with " a mountain of debt " kills four people and wounds another during a holdup at the Montclair, N.J., post office. Green was sentenced to life in prison on Sept. 20.

Postal worker Larry strode into the garage area at the Dearborn Michigan Post Office with a shotgun in one hand and a pistol in the other. He kills one and wounds two before killing himself.

Fired postal employee Mark kills his mother then walks into a post office in the Dana Point community near Los Angeles and shoots two workers, killing one. He was convicted in 1996 of murder, attempted murder and other felonies, but a mistrial was declared in the sanity phase of the trial.

Shortly after lunch, he entered the Sacramento Post Office where he had worked for nine years. He stood up on the workroom floor in full view of several coworkers, pulled a .22 caliber pistol from his pocket, aimed it at his own chest, and pulled the trigger.

Fired postal worker Thomas kills four supervisors and wounds five employees with a sawed-off .22 caliber rifle at a post office in Royal Oak, Michigan, and then killed himself.

A fired postal worker kills a former supervisor and her boyfriend at their home in Wayne, N.J., then goes to the Ridgewood post office where he kills two mail handlers as they arrived for work. He was sentenced to death and was on death row when he died in 1996 after suffering a seizure in his cell.

Postal worker John Merlin Taylor of Escondido, Calif., shoots and kills his wife at their home with a Sturm Ruger .22 semi-auto pistol, then drives to the Orange Glen post office, where he shoots and kills two colleagues and wounds another before killing himself.

After killing his estranged Philippino wife with an AK-47 assault rifle, Boston postal worker loaded his rifle and a full metal ammo box into a two seat Cessna 152 light aircraft. For three hours Hunter flew around strafing the ground with his AK-47 before landing and surrendering to police.

" By the time receive this, I should be dead, "  he wrote in a letter to local newspapers. After dropping the letters in a mailbox, Mace dressed in his postal uniform and drove to the Poway Post Office. With calm and dignity he walked inside, put a .38 caliber revolver to his temple, and pulled the trigger.

Postal employee Warren Murphy wounded two co-workers and his supervisor with a shotgun then took a fourth female employee hostage. After thirteen hours of police negotiations Murphy finally surrendered.

Two US Postal Service employees, Lisa Bruni of Revere, and Dominic LuPoli of East Boston, were fatally shot Wednesday night in what police said was an apparent murder and suicide.

A part-time letter carrier in Edmond, Okla., kills 14 people in the post office there before taking his own life. Sherrill had a history of work problems and faced the possibility of being fired.

Entered the multistory post office in Manhattan at 1:50pm carrying his mailbag. While confronting his supervisor in a conference room postal clerk Carlos Siratt tried to break them up. David produced a .30-30 rifle from his mailbag and shot the clerk in the chest. The clerk survived and David later surrendered to police.

Shortly after 2pm at the main post office in Atlanta Georgia, Steven Brownlee was working at sorting mail, when with no warning he produced a .22 caliber handgun. After killing his co-worker and supervisor then wounding a third he was overpowered by fellow postal workers and was held until police arrived.

After confronting the Anniston, Alabama postmaster about mistreatment, he left the building and headed for his car. He leaned inside and retrieved a .38 caliber revolver. Upon returning he shot postmaster Oscar Johnson in the head. He later surrendered to the police.

" I told you I'd get even with you, you sonofabitch " shouted ex postal worker Perry Bush Smith after he unloaded two 12-gauge rounds into Charles McGee, his former supervisor. McGee had fled the South Carolina post office after seeing the gunman enter. Perry caught up with him at The Pantry, a convenience store across the road. Two other postal workers and a police officer were wounded. Perry Smith surrendered to the wounded officer.