A Louisiana police officer shot and killed a man following a confrontation outside a Baton Rouge convenience store, authorities said.
An autopsy shows Alton Sterling, 37, of Baton Rouge, died on Tuesday of multiple gunshot wounds to the chest and back, said East Baton Rouge Parish Coroner Dr. William Clark.
Officers responded to the store about 12:35 a.m. Tuesday after an anonymous caller indicated a man selling music CDs and wearing a red shirt threatened him with a gun, said Cpl. L'Jean McKneely.
Two officers responded and had some type of altercation with the man and one officer fatally shot the suspect, McKneely said. Both officers have been placed on administrative leave, which is standard department policy, he said.
The store's owner, Abdul Muflahi, told WAFB-TV that the first officer used a Taser on Sterling and the second officer tackled the man. Muflahi said as Sterling fought to get the officer off of him, the first officer shot him "four to six times."
The owner said Sterling did not have a gun in his hand at the time but he saw officers remove a gun from Sterling's pocket after the shooting.
McKneely did not immediately respond to an email and phone call about Muflahi's comments.
Local news outlet The Advocate reported that hundreds of protesters angered by the killing gathered outside the convenience store on Tuesday afternoon and evening, waving signs and chanting "Black lives matter."
Cellphone video of what posters claimed was the shooting was widely circulated on social media. The video was apparently taken by an onlooker, who has not been identified. CNBC has not verified the accuracy of the video.
- CNBC contributed to this report.