Updated

The Latest on the fatal shooting of a New York City police officer (all times local):

2:15 p.m.

Friends of the New York City officer shot to death inside a police RV say she was the "sweetest person you'd ever want to meet."

Officer Miosotis Familia died Wednesday after a gunman fired through the glass, striking her in the head. Police say the gunman fled, and when officers caught up with him a block away, he pointed a revolver at them and they fatally shot him.

Family friend Isabelita Roman said Familia became a police officer to help the community. Neighbor Tom Ritter said: "She'd give you the shirt off her back. She was the sweetest person you ever want to meet."

Familia had been on the force for 12 years and was assigned to a Bronx precinct. She had three children, including a set of twins.

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11:40 a.m.

The New York City police officer shot to death on duty was assigned to a Bronx precinct and worked the midnight shift.

Officer Miosotis Familia had three children, including a set of twins, and was of Dominican descent.

The 48-year-old was shot early Wednesday while sitting in the front passenger seat of a police RV stationed in the area as a result of a triple shooting in the area in March. She was a 12-year police veteran.

Police say she had no prior contact with gunman Alexander Bonds. He fled the scene, but police caught up to him a block away and shot and killed him when he turned with a gun in his hand.

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10:15 a.m.

The man who police say fired a single shot through the window of a police RV that killed a New York City officer is seen on surveillance video moments before the attack.

Police say Alexander Bonds was captured on video exiting a nearby convenience store, then moving tightly along the wall, pulling his hoodie over his head and walking purposefully toward the van. Police say he fired through the window with a revolver.

The video doesn't capture the shooting but shows him running from the scene with a gun in his hand.

Officer Miosotis Familia was at the end of her shift when she was struck.

Police chased Bonds and caught him about a block away and opened fire when he pointed the gun at them.

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8 a.m.

A New York City police officer is heard frantically shouting for help after his partner was fatally shot early Wednesday.

Officer Miosotis Familia was writing in her memo book at the end of her shift when 34-year-old Alexander Bonds walked up to the passenger side of the police truck she was sitting in and fired one shot, striking her in the head.

"Shots fired! 10-85!" her partner is heard shouting after the gunfire on a police recording, including the code for an officer down. "My partner's shot! My partner's shot! My partner's shot! Hurry up central!"

Police quickly responded and caught up to Bonds about a block away, where he pointed a gun at them. They fired and killed him.

Police Commissioner James O'Neill said it was an unprovoked attack.

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7:10:

Police say a 12-year veteran New York City officer was fatally shot while sitting in her patrol car with her partner in what one sergeant is calling a "clear assassination."

Police Sgt. Brendan Ryan says 48-year-old Officer Miosotis Familia died at a hospital early Wednesday. He says the attack "appears to be an isolated incident — clear assassination."

They say a person believed to be a bystander was struck by a bullet and is in stable condition.

The attack happened in the Bronx around 12:30 a.m. While the injured officer's partner radioed for assistance, other officers spotted the suspect running and confronted him. Police say the officers shot and killed the suspect after he drew a revolver on them.

Police identified the suspect as 34-year-old Alexander Bonds.

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6:05 a.m.

Police say a New York City officer who was shot while sitting in her patrol car has died in what they're calling a "clear assassination."

Police Sgt. Brendan Ryan says 48-year-old Officer Miosotis Familia died at a hospital early Wednesday.

Police say other officers shot and killed the suspect after he drew a revolver on them. They say a person believed to be a bystander was struck by a bullet and is in stable condition.

The attack happened in the Bronx around 12:30 a.m. while the officer was sitting in her vehicle with her partner. Her partner radioed for help. Other officers spotted the suspect and began chasing him.

The suspect has been identified as 34-year-old Alexander Bonds.

Ryan says police are unaware of any connection between Bonds and Familia.

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3:40 a.m.

Authorities say a New York police officer has been shot and is in extremely critical condition.

The New York Police Department wrote on Twitter that the officer was shot while in a patrol vehicle with her partner in the Bronx early Wednesday.

While her partner radioed for assistance, other officers confronted the suspect, who was running, one block away. The suspect drew a revolver and the officers fatally shot him.

Police say another person, believed to be a bystander, was also struck by a bullet. The person is in stable condition.

The 12-year veteran officer has been hospitalized at St. Barnabas Hospital in critical condition.

Authorities say the investigation is ongoing.

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3:30 a.m.

Authorities say a New York police officer has been shot and is in extremely critical condition.

The New York Police Department wrote on Twitter that the officer was shot while in a patrol vehicle with her partner in the Bronx early Wednesday.

While her partner radioed for assistance, other officers confronted the suspect, who was running, one block away. The suspect drew a revolver and the officers fatally shot him.

Police say another person, believed to be a bystander, was also struck by a bullet. The person is in stable condition.

The 12-year veteran officer has been hospitalized at St. Barnabas Hospital in critical condition.

Authorities say the investigation is ongoing.