A man died Wednesday at a car parts store in Santiago, Chile, after he was hit by a tool thrown by an angry customer.

The man had previously purchased a 4-way wrench, the same one he intended to return.

But the store did not fulfill his request, so he left upset.

After that he threw the tool and, apparently, immediately realised what happened, as CCTV footage shows him nervously bringing his hands to his head and mouth.

Someone came out and tried to comfort him. Nevertheless, when he tried to escape, the same person caught him.

The police confirmed that the tool hit the 39-year-old victim in the head and that he died at hospital due to his injuries.

They also said that he played no part in the argument between his attacker and the staff.

The Public Prosecutor’s Office opened an investigation.

The 21-year-old offender, identified as Luis Zapata Jiménez, faced charges Thursday.