Four people were killed and 5 others wounded in a shooting incident at a bar in Kansas City in the United States.

The suspect opened fire in a bar in Kansas City in the early hours of Sunday.

US media reports say the suspect left the bar after a quarrel with other customers. He later returned carrying a gun and opened fire.

Police checked security camera footage at the bar and are searching for the shooter who fled the scene.

Fifty-eight people were killed in a shooting spree in Las Vegas in October 2017. The incident is deemed the worst shooting rampage in US history.

A series of similar incidents have occurred since then in the country.

No substantial progress has been made on gun control under the administration of President Donald Trump, who is reluctant to take such steps.

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