Crime reporter Phil Davis tweeted about the attack: 'A single shooter shot multiple people at my office, some of whom are dead.'

Multiple people are reported dead or injured from a mass shooting at the Capital Gazette newspaper office in Maryland. The shooting took place right before noon on Thursday.

Anne County Sheriff Ron Bateman stated that there were multiple fatalities. Police confirmed that there was an active shooter late Thursday afternoon. The identity of the shooter and his motivations are not yet known.

Active Shooter: 888 Bestgate Road #Annapolis. Media staging area is 839 Bestgate Road. — Lt. Ryan Frashure (@AACOPD_PIO) June 28, 2018

The newspaper reportedly had an active shooting drill yesterday.

Fox 5 anchor just broke into tears talking about the Capital Gazette shooting, says their newsroom just went through active shooter training yesterday. — Nick Wing (@nickpwing) June 28, 2018

Crime reporter Phil Davis tweeted about the attack while he waited to be interviewed by the police. According to him, there was only a single shooter.

A single shooter shot multiple people at my office, some of whom are dead. — Phil Davis (@PhilDavis_CG) June 28, 2018

The gunman shot his way into the building before opening fire on the newspaper staff.

Gunman shot through the glass door to the office and opened fire on multiple employees. Can't say much more and don't want to declare anyone dead, but it's bad. — Phil Davis (@PhilDavis_CG) June 28, 2018

Davis hid under his desk throughout the attack but could hear the shooter reloading and continuing fire on the newsroom.

There is nothing more terrifying than hearing multiple people get shot while you're under your desk and then hear the gunman reload — Phil Davis (@PhilDavis_CG) June 28, 2018

During the shooting, intern Anthony Messenger tweeted a plea for help.

Active shooter 888 Bestgate please help us — Anthony Messenger (@amesscapgaz) June 28, 2018

(This is a developing story.)