The University of Massachusetts Lowell was placed on lockdown following reports of a suspected armed individual on campus, triggering a shelter-in-place order as police conducted an investigation. Authorities responded to a video suggesting a person carrying a long weapon, prompting extensive searches. After several hours, the lockdown was lifted, and police confirmed that no weapons were found and that the suspect was no longer in the vicinity. The campus community expressed concerns during the incident, but officials assured that the situation was under control and no shots were fired.