Following a shooting at Minneapolis' Boom Island Park earlier this week that left a woman dead and six others injured, the city's park board says it will be adding extra security measures starting Friday night.

Investigators were back out at Boom Island Park on Thursday seeking more evidence in the Sunday shootings that left one woman dead and five men injured. No arrests have been made.

Minneapolis police are investigating a shooting late Sunday night at Boom Island Park that has left a woman dead, and five others hurt, as well as a sixth person who was injured in the chaos after the shooting.