Breaking News: "Multiple deputies down" in Littleton, Colorado

A Code Red was sent out regarding this incident. Any citizens in the affected area are instructed to shelter in place, avoid windows and stay away from exterior walls. pic.twitter.com/RgutCEqgJA

— DC Sheriff (@dcsheriff) December 31, 2017

Hot Air: One officer dead, four wounded

Denver Post: Gunman believed to be dead

Twitchy: Active shooting in Littleton, Colorado

Patch: Multiple officers down in Highlands Ranch, Colorado

WFLA 8 NBC: Active shooting near Denver, Colorado, deputies shot

9 News Denver: Domestic disturbance in Highlands Ranch results in deputies being shot

DRUDGE REPORT: HOUSTON HOTEL ARSENAL BUST (unrelated to Colorado, but pre New Years Eve)

.TONIGHT: Candlelight vigil at Mission Hills Church in Littleton to honor fallen @dcsheriff Deputy Zack Parrish. Memorial service being held at 10 a.m. Friday morning at Cherry Hills Community Church - public invited to attend. #CopperCanyonOIS @DenverChannel #Denver7 pic.twitter.com/VbkwoAaAuB

— Connor Wist (@connorwist) January 1, 2018