Tragedy has struck at a Madden tournament in Jacksonville, where gamers had gathered to compete against one another in the popular NFL game.

According to reports, there have been multiple fatalities and several other injuries after a shooter opened fire at the tournament, which was being held at Jacksonville Landing.

The Jacksonville Sheriff’s Office urged people to stay away from the area, as it was still not secure as of 2:13 p.m.:

According to WJXT reporter Vic Micolucci, four people have been killed and multiple others injured.

One of the tournament participants tweeted that a bullet hit his thumb, but that he was otherwise OK:

No further information is known at this time.