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(CNN) — State police responded Friday to reports of a shooting at a southwestern Connecticut elementary school.

The Hartford Courant, citing police, said an unspecified number of people had been shot at Sandy Hook Elementary School in Newtown.

While details are still emerging, a law enforcement source told CNN close to 20 people have been killed, many of them children.

The Newtown Bee newspaper said one child had been carried out by a police officer and emergency crews had set up triage facilities, expecting additional patients.

The first calls came into police around 9:40 a.m., according to media accounts. Police were on the scene late Wednesday morning with guns drawn, CNN affiliate WFSB reported.

All schools in the city were on lockdown Friday as police assessed the situation, state police spokesman Lt. Paul Vance said.

Students were evacuated to a nearby firehouse, the Danbury News-Times newspaper reported.

The agency scheduled a news conference for 1 p.m. ET.

Newtown is about 60 miles north of New York.

Head to CNN for continuous coverage of this tragedy.


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