(KUTV) -- UPDATE: (2: 15 p.m. ) — Unified Police Department said the shelter-in-place order for schools has been lifted.
"Officers will maintain a presence while schools dismiss for the day," Unified PD said on its Facebook page.
UPDATE: (1:58 p.m.) -- The Salt Lake Police Department, the Unified Police Department and other agencies say they have received reports of numerous threatening calls.
The threats were directed at daycare and preschools in the Salt Lake Valley.
Police say a man called the schools, told them he was in the parking lot and threatened violence.
Police are investigating the calls and are working to ensure the children's safety.
UPDATE: (1:05 p.m.) -- Churchill Junior High is now on shelter-in-place by law enforcement.
The junior high is among Evergreen Junior High and three elementary schools with active shelter-in-place protocols. One elementary in Salt Lake City is on lockout.
UPDATE: (1:00 p.m.) -- Wasatch Elementary is on lockout from police activity in the surrounding neighborhood.
The Salt Lake City School District send out a social media post saying that students are safe inside the building and exterior doors are looked.
UPDATE: (12:45 p.m.) -- William Penn, Roosevelt and Millcreek elementary schools have now joined Evergreen Junior High on shelter-in-place protocol.
Granite School District emphasized that school is proceeding as normal inside the schools but visitors are not allowed on the campuses until the protocol is lifted.
The Granite School District alerted the public that Evergreen Junior High was on shelter-in-place on Tuesday, at approximately 12:30 p.m.
The district said the protocol was put into place because of police activity in the area near 3400 South and 2000 East.
The district stated in a social media post:
The school is proceeding as normal inside the building. Parents and visitors will not be allowed on campus until the protocol is lifted by police.
If you have any questions, please contact the school directly at 385-646-5164.
However, the district said there is no direct threat to students and the protocol is strictly precautionary to ensure student safety.
A Salt Lake City school was on lockdown early Tuesday as well.
The SLC School District said the lockout at Liberty Elementary, 1085 S. Robert Street, lasted only a few minutes and was lifted following a situation that was cleared by police.
It is unknown if any of the incidents are related at this time. 2News will update the story as information is made available.