A mass shooting at a video game tournament has left four people dead and 10 injured in the US state of Florida, according to police.

The shooting took place on Sunday during the Madden NFL online gaming tournament at a waterfront dining, entertainment and shopping site in downtown Jacksonville, News4Jax reports.
The Jax Sheriff’s Office confirmed there were multiple fatalities and injuries and said one suspect was dead at the scene.”One suspect is dead at the scene, unknown at this time if we have a second suspect. Searches are being conducted,” the Jacksonville Sheriff’s Office said on Twitter.

In another tweet. the Jax Sheriff’s Office tweeted:

‘Mass shooting at the Jacksonville Landing. Stay far away from the area. The area is not safe at this time. STAY AWAY #TheLandingMassShooting.’
‘We are finding many people hiding in locked areas at The Landing. We ask you to stay calm, stay where you are hiding. SWAT is doing a methodical search inside The Landing. We will get to you. Please don’t come running out.’

Audio of the shooting was being broadcast live as the tournament was underway, with several loud gunshots suddenly interrupting the stream and disrupting the video connection.
After several gunshots, people scream and one person cries out, “Oh f—, what’d he shoot me with?” The stream did not show the shooting.