A Singapore man has been killed in what police described as 'a staring incident' after a scuffle broke out at a coffee shop past midnight.

Police charged a 50-year-old man with murder on Friday following the incident which happened in the wee hours of Thursday at Hougang Avenue 3.

A coffee shop employee, named Khor Tzoong Meng, had been detained from his apartment hours after the murder took place.

He is believed to have been involve in the death of 37-year-old Ang Kim Keat, a logistics worker who visited the coffee shop to order a drink.

The scuffle occurred around 2 am when Ang ordered a drink at the coffee shop at Block 23 of Hougang Avenue 3, the New Paper reported.

Ang was told the coffee shop was in self-service mode at that time and it has been reported that he shouted at an employee.

An altercation ensued between Ang and Khor later on with witnesses saying Ang was heard asking, "What are you staring at?''

It is believed that Khor fetched a cleaver and followed Ang. The victim was later found with neck injuries and blood splattered around.

Police took him to the Tan Tock Seng Hospital where he was declared dead at 3.30am.