At least 27 people are dead, including 18 children, after one of the deadliest school shootings in American history happened in Connecticut this morning. We, like all of you, are heartbroken and our deepest sympathies go out to all those affected. It is very, very hard to think about anything else right now.

Here are some resources to follow as the story develops:

• CBS News Live Feed
• Hartford Courant
• New York Times
• Reddit Thread
• NBC News