Here is a concise summary of the provided text:
**Event:** Assassination of John Lennon
**Date:** December 8, 1980
**Location:** The Dakota, New York City
* John Lennon was shot by fan Mark David Chapman after signing an autograph for him earlier that day.
* Lennon was shot four times in the chest at around 10:50 PM and rushed to Roosevelt Hospital in a police car.
* Despite medical efforts, Lennon was pronounced dead at 11:07 PM due to severe injuries.
* Chapman was arrested at the scene and later confessed to the crime.
* The event had a profound impact on those involved, including the medical staff and police officers.
* The summary also touches on the lasting legacy of John Lennon, with a dedication in Central Park's Strawberry Fields and his music continuing to live on in people's hearts worldwide.
Here are the key facts extracted from the text, numbered and in short sentences:
1. **Date and Time of Incident**: The incident occurred on December 8th, 1980, around 10:30 PM.
2. **John Lennon's Last Recording**: Earlier that day, John Lennon recorded at the Record Plant with his wife Yoko Ono.
3. **Autograph Encounter**: Before the recording, John Lennon signed an autograph for a fan, Mark David Chapman, outside their building.
4. **Shooting Location**: John Lennon was shot in the vestibule of his building, The Dakota.
5. **Shooter's Identity**: The shooter was Mark David Chapman, the same fan who had received an autograph earlier.
6. **Weapon Used**: Chapman used a Charter Arms .38 caliber gun.
7. **Number of Shots Fired**: Five or six shots were fired, with four hitting John Lennon in the chest.
8. **Police Response**: Police responded immediately to the scene.
9. **Emergency Transport**: Due to the severity of the injuries, Lennon was transported to the hospital in a police car, not an ambulance.
10. **Hospital Details**: John Lennon was taken to Roosevelt Hospital (now Mount Sinai Hospital).
11. **Medical Treatment**: Doctors performed internal cardiac massage; Lennon's heart was intact, but vessels above it were severely injured.
12. **Time of Death**: After 30 minutes of attempting to save his life, John Lennon was pronounced dead shortly before 11 PM.
13. **Notification of Next of Kin**: Yoko Ono, who was at the hospital, was informed of her husband's passing.
14. **Aftermath**: The Dakota building was mobbed by fans upon news of Lennon's death.
15. **Tribute**: In 1985, part of Central Park was dedicated to John Lennon's memory, now known as Strawberry Fields.