JONESBORO, Ark. -- Arkansas State University officials placed the campus on lockdown Sunday afternoon after reports came in of two or three armed men being spotted near the school's Student Union building, CBS affiliate WREG reported.

Arkansas State tweeted on Sunday evening that the scare seems to have been prompted by students who were filming near the Student Union.

Apparently students were filming a video project near the Union, and costumed actors were reported as possible campus intruders. — Arkansas State (@ArkansasState) February 14, 2016

The students were interviewed by campus police and it was confirmed there was no gunman on campus, the school tweeted.

These students have been located and interviewed by UPD. As a result, it has been confirmed that there was no gunman on campus. — Arkansas State (@ArkansasState) February 14, 2016

The lock-down was lifted at about 2:40 p.m.

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There were reportedly two or three men with weapons near the student union, according to the school at the time.

Two males with weapons reported near the Student Union. Lockdown immediately until further notice. — Arkansas State (@ArkansasState) February 14, 2016

No shots were fired, Jonesboro Police said.

Again, the campus lockdown has been lifted. Police are continuing to investigate the report and are reviewing security footage of the area. — Arkansas State (@ArkansasState) February 14, 2016

The suspects were described as wearing black and were last seen walking north near Dean Street.

Police responded to the campus to clear buildings and try to locate those men.