Cairo: The Interior Ministry confirmed that the shooting of a street vendor by a policeman was over the price of a cup of tea.
Abdel Razzaq, the policeman who opened fire killing the vendor, was later arrested.
Witnesses and videos circulated on social media and also local press claimed that the argument was over the price of a cup of tea.
A dispute broke out between a police officer and the seller over the price during a police patrol," the ministry said in a statement.
"The policeman opened fire, killing the vendor and wounding two passers-by," it said.
The incident occurred in the Rehab City, an eastern district of New Cairo city.
An angry crowd later smashed the police vehicle that Abdel Razzaq drove, with only his partner inside the car, reported Egyptian State Media.