IOWA CITY, Iowa (CBS2/FOX28) -- UPDATE - 8:58 a.m. Wednesday, September 26:
University of Iowa officials are thanking students and staff who reported suspicious behavior to police. Tuesday night they received reports of an older white male with a knife around Catlett Residence Hall.
Although police officers were not able to locate the suspect, they determined no threats were made and no one was hurt.
University of Iowa Police say they're confident the suspect did not gain access to anyone's living space or any restricted parts of the dorm.
They add you can report suspicious activity by calling 319-335-5022.
A Hawk Alert was issued Tuesday night warning University of Iowa students of a man possibly armed with a knife near a residence hall.
The alert sent at 8:13 p.m. warned of an older white man with a knife wearing a blue shirt and khaki pants reportedly last seen outside the 3rd floor entrance of Catlett Hall (350 N Madison St.).
Police said the man was never inside the building and was originally seen in the walkway leading to the third floor entrance of Catlett Hall.
Officers are still searching for the suspect.
As of 9:55 p.m., U of I Police dispatchers say there is no longer a threat at Catlett Hall. However, students are asked to stay aware of their surroundings.
Students were initially told to shelter in place and avoid the area. Anyone with information is asked to call 911.
This story is developing and will be updated.