Police are holding a second news conference tonight regarding the shooting at King Soopers supermarket in Boulder, Colorado.
Boulder Police Chief Maris Herold is expected to give remarks, the department tweeted.
What we know: Multiple people, including a Boulder police officer, were killed in the shooting, police said at a news conference earlier today. A suspect was taken into custody and is being treated for injuries, police said.
Police said they are still determining how many people died.
source: cnn.com